An alpha particle colliding with an electron loses:

Q-1:  An alpha particle colliding with an electron loses:

1) none of its energy
2) little of its energy
3) half of its energy
4) all of its energy
ANSWER: 2 -- LITTLE OF ITS ENERGY

Q-2:  The term "laminar flow" is most often associated with the description of:

1) conduction of sound by waves
2) current flow in transistors
3) effects of viscosity of liquids
4) passage of light rays through a liquid
ANSWER: 3 -- EFFECTS OF VISCOSITY OF LIQUIDS

Q-3:  Two point masses, M1 and M2, are 14 centimeters apart. M1 has a mass of 2 grams. M2 has a mass of 5 grams. Locate the center-of-mass of this system.

1) 4 cm from M1
2) 4 cm from M2
3) 5 cm from M2
4) 7 cm from M1
ANSWER: 2 -- 4 CM FROM M2

Q-4:  The mass, in kilograms, of an object whose weight on earth at sea level is 490 newtons is:

1) 50 kilograms
2) 100 kilograms
3) 225 kilograms
4) 1,100 kilograms
ANSWER: 1 -- 50 KILOGRAMS

Q-5:  When the velocity of an object is tripled, another quantity which is tripled at the same time is the object's:

1) momentum
2) potential energy
3) kinetic energy
4) mass
ANSWER: 1 -- MOMENTUM

Q-6:  What is the only non-metal element that is a liquid at room temperature and one atmosphere?

1) bromine
2) argon
3) silicon
4) selenium
ANSWER: 1 -- BROMINE

Q-7: Which of the following is NOT a noble gas?

1) radon
2) xenon (pron: zee-non)
3) astatine (pron: as-tah-teen)
4) krypton
ANSWER: 3 -- ASTATINE

Q-8:  What is the SI unit of pressure?

1) Pascal
2) Torr
3) Dyne
4) Kelvin
ANSWER: 1 -- PASCAL

A hollow METALLIC sphere has an inner radius A and an outer radius B. If charge is placed on the inner surface, that is at radius A, where is the charge located after it has come to rest?

Q-1: A hollow METALLIC sphere has an inner radius A and an outer radius B. If charge is placed on the inner surface, that is at radius A, where is the charge located after it has come to rest?

ANSWER: ON THE SPHERE'S OUTER SURFACE or OUTSIDE RADIUS B

Q-2:  Two parallel wires carrying currents in opposite directions will:

1) attract each other
2) repel each other
3) cause an electric arc to form
4) not affect each other
ANSWER: 2 -- REPEL EACH OTHER

Q-3:  In an electromagnetic wave, the ratio of the magnitudes of the electric field to the magnet field is equal to what?

ANSWER: THE SPEED OF LIGHT or C

Q-4:  Suppose the power of a prescription lens is 4 diopters. What is the focal length of the lens?

ANSWER: = 25 CENTIMETERS

Q-5:  Assuming all other parameters remain constant, what happens to the pressure of a gas when the volume of the gas is increased?

1) increases
2) decreases
3) fluctuates sinusoidally
4) remains the same
ANSWER: 2 -- DECREASES

Q-6:  If a metallic object is heated, its density generally:

1) increases
2) decreases
3) fluctuates randomly
4) remains the same
ANSWER: 2 -- DECREASES

Q-7:  Which wave has the highest frequency?

1) microwaves
2) infrared waves
3) ultraviolet waves
4) radio waves
ANSWER: 3 -- ULTRAVIOLET WAVES

Q-8:  The characteristic that distinguishes a laser beam from an ordinary light beam is:

1) the greater frequency of the laser beam
2) the coherence of the laser beam
3) the color of the laser beam
4) the greater polarization of the laser beam
ANSWER: 2 -- THE COHERENCE OF THE LASER BEAM

Q-9:  The mass spectrograph directly yields a value for which one of the following?

1) mass of a photon
2) mass of a neutron
3) masses of isotopes of elements
4) mass to charge ratio of ions
ANSWER: 4 -- MASS TO CHARGE RATIO OF IONS

Which of the following does NOT travel in a vacuum?

Q-1;  Which of the following does NOT travel in a vacuum?

1) radio waves
2) gamma rays
3) magnetic waves
4) sound waves
ANSWER: 4 -- SOUND WAVES

Q-2; What is the amplitude of a standing wave at its node?

ANSWER: 0

Q-3; An incident ray comes in parallel to the principle axis of a concave mirror. Is it reflected:

1) back along the incident ray
2) at 30 degrees to incident ray
3) through the focal point
4) through the center of curvature
ANSWER: 3 -- THROUGH THE FOCAL POINT

Q-4;For small oscillations, what happens to the period of a simple pendulum when the mass of the pendulum bob is doubled?

ANSWER: NOTHING or PERIOD IS UNAFFECTED

Q-5; Why must soldiers break cadence when crossing a bridge?

ANSWER: SO THEY DON'T EXCITE A VIBRATIONAL RESONANCE IN THE
BRIDGE.

Q-6; Who named the two kinds of electrical charges "positive" and "negative"?

ANSWER: BENJAMIN FRANKLIN

Q-7; What SI prefix is used to represent 10-18?

ANSWER: ATTO

Q-8;When a slingshot exerts a 10 Newton force on a rock, the rock accelerates at 50 meters per second squared. What force is required to accelerate the rock to 150 meters per second squared?

ANSWER: 30 NEWTONS

Q-9; How are work and power related?

ANSWER: POWER IS THE AMOUNT OF WORK PER UNIT TIME

Q-10;Heat transfer by mixing is more commonly known as what?

ANSWER: CONVECTION

Q-11;Sound waves are an example of what type of wave?

ANSWER: COMPRESSIONAL or LONGITUDINAL

Q-12;In physics, how is intensity defined?

ANSWER: POWER PER UNIT AREA

Q-13;What is the SI unit of inductance?

ANSWER: HENRY

Q-14; What is the SI unit of magnetic flux?

ANSWER: WEBER

Q-15; Who invented the electric battery?

ANSWER: (ALLESANDRO) VOLTA

Q-16; What is the resistance of an ideal voltmeter?

ANSWER: INFINITE RESISTANCE

Q-17;What is the resistance of an ideal ammeter?

ANSWER: ZERO

Energy is described as the capacity for:

Q-1;  Energy is described as the capacity for:

1) reactivity
2) combustion
3) transformation
4) doing work
ANSWER: 4 -- DOING WORK

Q-1; Kinetic energy is energy of:

1) position
2) radiation
3) motion
4) formation
ANSWER: 3 -- MOTION

Q-1; The kinetic energy of a stone falling near the earth's surface through a vacuum increases with the:

1) square root of its velocity
2) cube root of its velocity
3) square of its velocity
4) cube of its velocity
ANSWER: 3 -- SQUARE OF ITS VELOCITY

Q-1;What is the mass of a 60 kilogram astronaut in space, far from any planets?

ANSWER: 60 KILOGRAMS

Q-1; What is the weight of a 150 pound astronaut in space, far from any planets?

ANSWER: 0 POUNDS

Q-1;In what type of reference frame does Newton's law NOT hold true?

ANSWER: NONINERTIAL FRAMES

The gravitational potential energy of an object close to the ground varies:

Q-1;  The gravitational potential energy of an object close to the ground varies:

1) inversely as its distance from the ground

2) directly as its distance from the ground

3) inversely as the square of its distance from the ground

4) directly as the square of its distance from the ground

ANSWER: X -- DIRECTLY AS ITS DISTANCE FROM THE GROUND

Q-2;  When the image formed by a convex mirror is compared to its object, the image is usually:

1) erect and smaller

2) inverted and imaginary

3) real and inverted

4) real and erect

ANSWER: 1 -- ERECT AND SMALLER

Q-3;  In optics, when the vibrations of light are limited to a single two dimensional plane, it is said that light has been what?

ANSWER: POLARIZED

Q-4;  One nanometer is equal to:

1) 10-12 meters

2) 10-11 meters

3) 10-3 meters

4) 10-9 meters

ANSWER: 4 -- 10-9 METERS

Q-5;  In radioactive decay, the emission of an electron is characteristic of:

1) Alpha decay

2) Beta decay

3) Gamma decay

4) X-rays

ANSWER: X -- BETA DECAY

The gravitational potential energy of an object close to the ground varies:

Q-1; The gravitational potential energy of an object close to the ground varies:

1) inversely as its distance from the ground
2) directly as its distance from the ground
3) inversely as the square of its distance from the ground
4) directly as the square of its distance from the ground
ANSWER: 2 -- DIRECTLY AS ITS DISTANCE FROM THE GROUND

Q-2;When the image formed by a convex mirror is compared to its object, the image is usually:

1) erect and smaller
2) inverted and imaginary
3) real and inverted
4) real and erect
ANSWER: 1 -- ERECT AND SMALLER

Q-3; In optics, when the vibrations of light are limited to a single two dimensional plane, it is said that light has been what?

ANSWER: POLARIZED

Q-4; One nanometer is equal to:

1) 10-12 meters
2) 10-11 meters
3) 10-3 meters
4) 10-9 meters
ANSWER: 4 -- 10-9 METERS

Q-5; In radioactive decay, the emission of an electron is characteristic of:

1) Alpha decay
2) Beta decay
3) Gamma decay
4) X-rays
ANSWER: 2 -- BETA DECAY

The neutrons in an atom:

Q-1;  The neutrons in an atom:

1) are part of the nuclear charge
2) rotate about the nucleus in elliptical orbits
3) vary in number with different isotopes
4) are always equal in number to the total number of protons
ANSWER: 3 -- VARY IN NUMBER WITH DIFFERENT ISOTOPES

Q-2;  Which of the following phenomena suggest that light may be a transverse wave?

1) reflection
2) polarization
3) photoelectric effect
4) diffraction
ANSWER: 2 -- POLARIZATION

Q-3; In simple harmonic motion, the acceleration is:

1) constant
2) proportional to the distance from the central position
3) greatest when the velocity is greatest
4) none of the above
ANSWER: 2 -- PROPORTIONAL TO THE DISTANCE FROM THE CENTRAL
POSITION

Q-4;  When a liquid moves through a pipe having a varying diameter, the pressure against the inside walls of the pipe will be:

1) the same throughout
2) lowest where the diameter is smallest
3) lowest where the diameter is largest
4) lowest where the velocity of flow is lowest
ANSWER: 2 -- LOWEST WHERE THE DIAMETER IS SMALLEST

Which of the following statements dealing with simple harmonic motion of a mass-spring system is TRUE?

Q-1;  Which of the following statements dealing with simple harmonic motion of a mass-spring system is TRUE?

1) The acceleration is largest when the oscillating mass is instantaneously at rest.
2) The larger the spring force constant the larger the period.
3) The period of the motion depends linearly on the amplitude of the motion.
4) The acceleration is larger when the oscillating mass has its greatest velocity.
ANSWER: 1 -- THE ACCELERATION IS LARGEST WHEN THE OSCILLATING
MASS IS INSTANTANEOUSLY AT REST

Q-1; An ice skater is rotating with her arms extended. When she pulls in her arms her rate of rotation increases. Which of the following statements dealing with the process is TRUE?

1) Her moment of inertia is increased.
2) Kinetic energy is conserved.
3) The skater does work when pulling in her arms.
4) Angular momentum is increased.
ANSWER: 3 -- THE SKATER DOES WORK WHEN PULLING IN HER ARMS

Q-1; If viewed on an oscilloscope, the loudness of a sound wave would be associated with the wave's:

1) frequency
2) wavelength
3) velocity
4) amplitude
ANSWER: 4 -- AMPLITUDE

Q-1; If a sled has a constant acceleration of 2 meters per second squared and starts from rest, the distance in meters that it will have covered after 5 seconds is:

1) 10 meters
2) 20 meters
3) 25 meters
4) 50 meters
ANSWER: 3 -- 25 METERS

Which of the following sets of 3 forces CANNOT have a vector sum of zero?

Q-1; Which of the following sets of 3 forces CANNOT have a vector sum of zero?

1) 10, 10 and 10 Newtons
2) 10, 10 and 20 Newtons
3) 10, 20 and 20 Newtons
4) 10, 20 and 40 Newtons
ANSWER: 4 -- 10, 20 AND 40 NEWTONS

Q-1; A small cluster of stars appear, after many decades of observation, to be converging toward a common point in the sky. Does the light from these stars show a:

1) red Doppler shift
2) blue Doppler shift
3) no Doppler shift
ANSWER: 1 -- RED DOPPLER SHIFT

Q-1; What name is given to those elementary particles for which there is a symmetry under intrapair production. Included are photons, pi mesons, and nuclei with an even number of particles.

ANSWER: BOSONS

Q-1;When a fast charged particle traverses a dielectric medium at a velocity exceeding the velocity of light in that medium, radiation is emitted. This radiation is known as:

1) point radiation
2) Cerenkov radiation
3) Synchrotron radiation
4 Bremsstrahlung
ANSWER: 2 -- CERENKOV RADIATION

What law describes the force between two stationary electrically charged objects?

Q-1; What law describes the force between two stationary electrically charged objects?

1) Ampere's law
2) Coulomb's law
3) Kirchoff's Rules (pron: kir-koff rules)
4) Ohm's law
ANSWER: 2 -- COULOMB'S LAW

Q-2; A circuit has a resistance of 200 ohms. The resistance of the circuit can be reduced to 120 ohms by adding which of the following to the circuit.

1) 80 ohm resistor in series
2) 150 ohm resistor in parallel
3) 240 ohm resistor in series
4) 300 ohm resistor in parallel
ANSWER: 4 -- 300 OHM RESISTOR IN PARALLEL

Q-3;  A spring with a force constant k is cut into thirds. The force constant of each of the new springs is

1) k
2) 3k
3) (1/3)k (read: one third k)
4) 9k
ANSWER: 2 -- 3k

Q-4;  When a 2 kilogram mass is suspended from a spring, the spring stretches 4 cm. The force constant of the spring is approximately:+

1) .5 newtons per meter
2) 5 newtons per meter
3) 50 newtons per meter
4) 500 newtons per meter
ANSWER: 4 -- 500 NEWTONS PER METER

Q-5;  If a three farad capacitor and a six farad capacitor are connected in parallel, what is their equivalent capacitance?

ANSWER: 9 FARADS

Q-1;  The gravitational constant for the universe was measured by which of the following?

1) Kepler
2) Einstein
3) Newton
4) Cavendish
ANSWER: 4 -- CAVENDISH

Q-2;If you start with 24 grams of a radioactive element with a half-life of one month, how many grams of the radioactive element will be left after 2 months?

1) 1.5 grams
2) 3 grams
3) 6 grams
4) 12 grams
ANSWER: 3 -- 6 GRAMS

Q-2; How many colors of quarks are believed to exist? Is it:

1) 1
2) 3
3) 5
4) 7
ANSWER: 2 -- 3

Q-3; A train is traveling 20 kilometers per hour. It is .5 kilometers behind you. You want to beat the train to a crossing that is .5 kilometers away. How fast must you run?

ANSWER: 10 KILOMETERS PER HOUR

Q-4; A child weighing 50 Newtons is on a swing. He goes from a minimum height of 0.2 meters to a maximum height of 1.5 meters. His maximum speed is closest to:

1) 3 meters per second
2) 5 meters per second
3) 7 meters per second
4) 9 meters per second
ANSWER: 2 -- 5 METERS PER SECOND

Q-5; A train locomotive whose mass is 1 x 106 kilograms is traveling EAST at a speed of 100 kilometers per hour. A NORTHERLY wind is applying a force of 100 Newtons on the locomotive. How much work is the wind doing on the locomotive for each 10 meters it travels?

1) 0 joules
2) 1,000 joules
3) 10,000 joules
4) 100,000 joules
ANSWER: 1 -- 0 JOULES

Q-6; The density of seawater is greater than that of fresh water. A boat will float:

1) Higher in fresh water than in seawater
2) Lower in fresh water than in seawater
3) At the same level in both
4) Any of the above, depending upon its shape
ANSWER: 2 -- LOWER IN FRESH WATER THAN IN SEAWATER

Q-7; How many times more intense is an 80 decibel sound than a 40 decibel sound?

1) 2
2) 40
3) 1000
4) 10,000
ANSWER: 4 -- 10,000

Q-8; The coefficient of linear expansion of steel is 1.2 x 10-5/ oC. (read: 1 point 2 times 10 to the minus 5 per degree Celsius). What is the increase in length of a steel girder that is 20 meters long at 10o C when its temperature is raised to 20o C?

ANSWER: 2.4 MILLIMETERS (accept 0.0024 meters or 2.4 x 10-3 meters) 

One of the following is a device that detects charged particles but does NOT show their tracks. Is this device the:

Q-1;  One of the following is a device that detects charged particles but does NOT show their tracks. Is this device the:

1) spark chamber
2) photographic plate
3) scintillation counter
4) bubble chamber
ANSWER: 3 -- SCINTILLATION COUNTER

Q-2; The photomultiplier tube in the scintillation counter multiplies one of the following. Does it multiply:

1) scintillations
2) electrons
3) ions
4) photons
ANSWER: 2 -- ELECTRONS

Q-3;The emission of a positron from a radioactive atom is generally accompanied by the emission of one of the following. Is it accompanied by the emission of:

1) a meson
2) a baryon
3) an antineutrino
4) a neutrino
ANSWER: 4 -- A NEUTRINO

Q-4; What term refers to the heat needed to change a unit mass of a substance at its melting temperature from a solid into a liquid?
ANSWER: HEAT OF FUSION or LATENT HEAT OF FUSION or ENTHALPY
OF FUSION

A beam of white light is passed through a diffraction grating and the resulting spectrum is allowed to fall on a screen. Which one of the following is the color of light that undergoes the greatest deviation from its original direction. Is it:

Q-; A beam of white light is passed through a diffraction grating and the resulting spectrum is allowed to fall on a screen. Which one of the following is the color of light that undergoes the greatest deviation from its original direction. Is it:

1) red
2) yellow
3) blue
4) violet
ANSWER: 1 -- RED

Q-2; Which of the following are the parts of a DC generator that convert the AC in the armature to DC in the external circuit. Are these parts the:

1) field poles
2) slip rings and the brushes
3) commutator and the brushes
4) armature and the core
ANSWER: 3 -- COMMUTATOR AND THE BRUSHES

Q-3; : A P-type semiconductor is doped to produce one of the following. Will it produce:

1) both holes and electrons
2) positive electrons
3) negative electrons
4) holes
ANSWER: 4 -- HOLES

Q-4; When an atomic nucleus emits a beta particle, one of its neutrons disintegrates into one of the following set of particles. Does it disintegrate into:

1) a positron and an electron
2) a proton, an electron, and an antineutrino
3) a proton, an electron, and a positron
4) a neutrino and an antineutrino
ANSWER: 2 -- A PROTON, AN ELECTRON AND AN ANTINEUTRINO

The ENERGY associated with a photon depends upon the photon's:

Q-1;  The ENERGY associated with a photon depends upon the photon's:

1) velocity
2) frequency
3) amplitude
4) the brightness of the source from which it comes
ANSWER: 2 -- FREQUENCY

Q-2; When a beam of ordinary white light is passed through a Polaroid plate filter, the intensity of the beam that emerges is:

1) equal to that of the incident beam
2) about 0.9 that of the incident beam
3) about one-half that of the incident beam
4) practically zero
ANSWER: 3 -- ABOUT ONE-HALF THAT OF THE INCIDENT BEAM

Q-3;  Arrange the following group of colored lights in the order of INCREASING wavelength:
RED, ORANGE, GREEN, BLUE

ANSWER: BLUE, GREEN, ORANGE, RED

Q-4;  A thin double-concave lens produces images which are:

1) larger than the object
2) smaller than the object
3) the same size as the object
4) one cannot tell from this information
ANSWER: 2 -- SMALLER THAN THE OBJECT

Q-5;  When white light is passed through a double slit which of the following statements is TRUE:

1) Each of the bright bands is dispersed into a spectrum
2) Only the central band is dispersed into a spectrum
3) All the bright bands except the central one are dispersed into a spectrum
4) Each band has a single color different from its neighboring bands
ANSWER: 3 -- ALL THE BRIGHT BANDS EXCEPT THE CENTRAL ONE ARE
DISPERSED INTO THE SPECTRUM

10 kilogram ball falls from a height of 5 meters and rebounds from the floor to a height of 3 meters. The energy lost by the ball is:

Q-1; A 10 kilogram ball falls from a height of 5 meters and rebounds from the floor to a height of 3 meters. The energy lost by the ball is:

1) 20 joules
2) 98 joules
3) 196 joules
4) 294 joules
ANSWER: 3 -- 196 JOULES

Q-2; What is the Celsius temperature corresponding to 100 degrees Kelvin?

ANSWER: -173 DEGREES CELSIUS

Q-3; A rise in temperature of 20 Kelvin degrees is equal to a rise of:

1) 20 degrees Celsius
2) 36 degrees Celsius
3) 68 degrees Celsius
4) 293 degrees Celsius
ANSWER: 1 -- 20 DEGREES CELSIUS

Q-4; A kilocalorie is equal to one of the following. Is it equal to:

1) 4.2 Joules
2) 1000 Joules
3) 4200 Joules
4) 10,000 Joules
ANSWER: 3 -- 4200 JOULES

Q-5;An increase in the motion of the molecules of a gas confined in a steel tank will be observed in one of the following ways. Will it be observed as an increase in:

1) the temperature of the gas only
2) the pressure of the gas only
3) both the temperature and pressure of the gas
4) the temperature of the gas and a decrease in its pressure
ANSWER: Y -- BOTH THE TEMPERATURE AND PRESSURE OF THE GAS

Q-6; Under which of the following conditions does the behavior of a real gas resemble that of an ideal gas? Is it:

1) under all conditions of temperature and pressure
2) only at very high pressure
3) only when the gas is near condensation
3) only at low densities when the molecules are relatively far apart
ANSWER: 4 -- ONLY AT LOW DENSITIES WHEN THE MOLECULES ARE
RELATIVELY FAR APART

Q-7; Two waves of equal wavelength will interfere destructively most effectively under one of the following conditions. Will the interference be most effective when the waves are:

1) in phase and have equal amplitudes
2) in phase and have unequal amplitudes
3) 180 degrees out of phase and have equal amplitudes
4) 180 degress out of phase and have unequal amplitudes
ANSWER: Y -- 180 DEGREES OUT OF PHASE AND HAVE EQUAL AMPLITUDES

Q-8; As the temperature of the air increases from 0 degrees C to 20 degrees C, the wavelength of a sound made by a tuning fork of fixed frequency does which of the following? Does the wavelength

1) increase
2) decrease
3) remain the same
4) increase up to a maximum, then remain constant
ANSWER: 1 -- INCREASE

Two bodies of equal mass are moving in circular paths at equal speed.The first body moves in a circle whose radius is twice as great as that of the second. The ratio of the centripetal or radial acceleration of the first body to that of the second is:

Q.1;  Two bodies of equal mass are moving in circular paths at equal speed.The first body moves in a circle whose radius is twice as great as that of the second. The ratio of the centripetal or radial acceleration of the first body to that of the second is:

1) 1 to 4
2) 1 to 3
3) 1 to 2
4) 1 to 1
ANSWER: 3 -- 1 TO 2

Q.2; A force applied to a rocket gives it an upward acceleration equal to 2 times the acceleration of gravity. The magnitude of the force is equal to:

1) the weight of the rocket
2) twice the weight of the rocket
3) three times the weight of the rocket
4) four times the weight of the rocket
ANSWER: 3 -- THREE TIMES THE WEIGHT OF THE ROCKET

Q.3; A satellite is observed to move in a circle about the earth at a constant speed. This means that the force acting upon it is:

1) zero
2) parallel to the direction of the satellite's instantaneous velocity
3) perpendicular to the direction of the satellite's instantaneous velocity
4) none of the above
ANSWER: 3 -- PERPENDICULAR TO THE INSTANTANEOUS DIRECTION OF
THE SATTELITE’S VELOCITY

Q.4; When a person stands on a scale in an elevator at rest, the scale reads 800 newtons. When the elevator is allowed to fall freely with acceleration of gravity, the scale reads one of the following. Does the scale read:

1) 1600 newtons
2) 800 newtons
3) 400 newtons
4) 0 newtons
ANSWER: 4 -- 0 NEWTONS

Q.5; A 10,000-watt motor operates an elevator weighing 5000 newtons.
Assuming no frictional losses, how high is the elevator raised in 10 seconds. Is it raised:

1) 2 meters
2) 20 meters
3) 50 meters
4) 100 meters
ANSWER: 2 -- 20 METERS

Q.6; A machine's output is 4000 joules and its frictional losses are 1000 joules. Which of the following is its efficiency? Is it:

1) 25%
2) 30%
3) 75%
4) 80%
ANSWER: 4 -- 80%

Q.7; A machine having an efficiency of 50% does 500 joules of work. Which of the following is the work input? Is it:

1) 500 joules
2) 250 joules
3) 1000 joules
4) 2500 joules
ANSWER: 3 -- 1000 JOULES

Q.8;: The relationship between kinetic energy and the potential energy of a swinging pendulum bob is one of the following. Is it:

1) kinetic energy is greater than potential energy
2) kinetic energy is less than potential energy
3) kinetic energy is equal to potential energy
4) kinetic energy plus potential energy equals a constant
ANSWER: 4 -- KINETIC ENERGY PLUS POTENTIAL ENERGY EQUALS A
CONSTANT

Christmas Holiday Trivia

Christmas Holiday Trivia
Is your Christmas holiday trivia knowledge adequate for the upcoming holiday season? Here are some questions that can help you brush up on things.
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Come Christmastime, and Christmas holiday trivia games and quizzes will be going on everywhere – in schools, catechism classes and even in homes where there are kid parties. Why just kids, Christmas holiday trivia quizzes are right in spirit even for the adults! You can have great fun organizing a Christmas holiday trivia quiz this year. You will need loads of questions related with Christmas to keep the fun going on. Here is a list of forty Christmas holiday questions for you:

1. Where is the world's largest Christmas tree?
2. Who was the star of the Christmas movie Jingle All The Way?
3. What is the first name of Scrooge?
4. How many reindeer drive Santa's sleigh (counting Rudolph)?
5. Who once stole Christmas?
6. Who was the author of A Christmas Carol?
7. Who was the star of the movie titled White Christmas?
8. Which Christmas carol did Jimmy Boyd make famous when he was just 12 years old?
9. Which country was the first to use the tradition of Christmas trees?
10. What did the American Ralph E. Morris invent?
11. The Christmas Island in the Pacific Ocean is fairly popular. Where's the other Christmas Island?
12. Which was the last US state to declare an official holiday for Christmas?
13. Which was the first country to issue a Christmas postage stamp?
14. When is Santa Claus's, i.e. St. Nicholas's, birthday?
15. Which animal did the Wise Men use to bring the gifts for Baby Jesus?
16. Why country has a tradition of a witch dropping gifts for children through the chimney at Christmas?
17. Which of the following is not the name of one of Santa's reindeer – Dasher, Donner, Doppler and Dancer?
18. What is Santa Claus called in France?
19. Which country is the largest exporter of Christmas trees?
20. Which American President banned Christmas trees in The White House?
21. How many days do we have between Christmas and the Epiphany?
22. We all know about the tradition of hanging stockings for gifts. Which country uses shoes instead of socks for the same purpose?
23. Where did the Nativity take place?
24. Which of these was not a gift given by the Wise Men to the Baby Jesus – gold, silver, myrrh and frankincense?
25. Which company made the concept of Santa Claus popular in America?
26. Which popular Christmas song was penned by James Pierpoint?
27. How many ghosts are there in A Christmas Carol?
28. Which is the only Santa's reindeer that is named after another animal?
29. How many Christmas cards, on an average, are sent in the US each year?
30. Is there a Mrs. Santa Claus?
31. When is Boxing Day?
32. What was the name of the Tom Hanks featuring, animated Christmas movie?
33. What did W. C. T. Dobson invent?
34. Which saint's day is The Boxing Day?
35. Who helps Santa Claus in making his gifts?
36. According to the Holy Bible, Jesus Christ was born in a:
37. Which Christmas song holds the credit as the most-selling Christmas single of all time?
38. Which nation traditionally uses straw decorations for Christmas?
39. What are the popular Christmas colors after red and green?
40. Which popular Christmas food was an American discovery?

And here are the answers:

1. King's Canyon National Park, California
2. Arnold Schwarzenegger
3. Ebenezer
4. Nine
5. The Grinch
6. Charles Dickens
7. Bing Crosby
8. I Saw Momma Kissing Santa Claus
9. Germany
10. Christmas lights
11. Indian Ocean
12. Oklahoma
13. Austria
14. December 5th
15. A camel
16. Italy
17. Doppler
18. Père Noél
19. Canada
20. Theodore Roosevelt
21. Twelve
22. The Netherlands
23. Bethlehem
24. Silver
25. Coca-Cola
26. Jingle Bells
27. Four
28. Vixen
29. Three billion
30. Yes
31. December 26 – the day after Christmas
32. The Polar Express
33. The Christmas card
34. St. Stephen
35. Elves
36. Manger
37. White Christmas
38. Sweden
39. Silver and gold
40. Eggnog

According to the second law of thermodynamics, energy tends to become more and more unavailable for conversion from:

Q-1; Units commonly used for entropy are:

1) kilograms per degree Kelvin

2) Joules per degree Kelvin

3) Newtons per Coulomb

4) ergs

ANSWER: 2 -- JOULES PER DEGREE KELVIN

Q-2;  The amount of heat required to change a boiling liquid to a gas at the same temperature depends on one of the following properties of the liquid. Does it depend on

the liquid's:

1) heat of fusion

2) heat of vaporization

3) temperature

4) density

ANSWER: 2 -- HEAT OF VAPORIZATION

Q-3;  According to the second law of thermodynamics, energy tends to become more and more unavailable for conversion from:

1) thermal to kinetic energy
2) kinetic to thermal energy
3) thermal to mechanical energy
4) mechanical to thermal energy
ANSWER: 3 -- THERMAL TO MECHANICAL ENERGY

Q-4;  When a charge moves through an electric circuit in the direction of an electric force it does one of the following four things. Does it:

1) lose potential energy and gain kinetic energy

2) gain potential energy and lose kinetic energy

3) lose both potential and kinetic energy

4) gain both potential and kinetic energy

ANSWER: 1 -- LOSE POTENTIAL ENERGY AND GAIN KINETIC ENERGY

Q5Which one of the following is the name of a device used to measure ltage without drawing ANY current from the circuit being measured? Is it:

1) a wattmeter
2) a galvanometer
3) an ammeter
4) a potentiometer
ANSWER: 4 -- A POTENTIOMETER

Q-6;  Lenz's law is an example of the law of conservation of one of the following. Is it conservation of:

1) mass
2) charge
3) momentum
4) energy
ANSWER: 4 -- ENERGY

Q-7;  After a projectile is fired horizontally near the earth's surface, the horizontal component of its velocity, neglecting any air resistance:

1) increases steadily
2) decreases steadily
3) first decreases, then increases
4) remains constant
ANSWER: 4 -- REMAINS CONSTANT

Q-8;  Two bodies are moving in circular paths of equal radii. If the speed of the first body is twice that of the second, the centripetal acceleration of the first body is how many times greater than that of the second body?
ANSWER: 4

The first law of thermodynamics is concerned with the conservation of

Q-1;  A car is moving along a straight horizontal road at a speed of 20 meters per second. The brakes are applied and a constant force of 5000 Newtons decelerates the car to a stop in 10 seconds. The mass of the car is:

1) 1250 kilograms

2) 2500 kilograms

3) 5000 kilograms

4) 10,000 kilograms

ANSWER: 2 -- 2500 KILOGRAMS

Q-2;  A girl throws a 0.1 kilogram ball at a wall. The ball hits the wall perpendicularly with a velocity of 5 meters per second and then bounces straight back with a velocity of 4 meters per second. The change in the momentum of the ball is:

1) 0.1 kilogram-meters per second

2) 0.4 kilogram-meters per second

3) 0.5 kilogram-meters per second

4) 0.9 kilogram-meters per second

ANSWER: 4 -- 0.9 KILOGRAM-METERS PER SECOND

Q-3;  A satellite of mass "M" is in orbit around the earth. If a second satellite of mass "2M" is to be placed in the same orbit, the second satellite must have a velocity

which is:

1) half the velocity of the first satellite

2) the same as the velocity of the first satellite

3) twice the velocity of the first satellite

4) four times the velocity of the first satellite

ANSWER: 2 -- THE SAME AS THE VELOCITY OF THE FIRST SATELLITE

Q-4;  Which of the answers listed below best completes the statement:

The rate at which any part of a wave travels from one place to another determines the wave's:

1) propagation velocity

2) period

3) amplitude

4) frequency

ANSWER: 1 -- PROPAGATION VELOCITY

Q-5;  A spring with a force constant of 100 Newtons per meter is loaded with a mass of 1.0 kilogram. The period of vibration of this system is:

1) .03 seconds

2) .06 seconds

3) .31 seconds

4) .63 seconds

ANSWER: 4 -- .63 SECONDS

Q-5; : The first instrument used for measuring temperature was the gas thermoscope invented by:

1) Galileo

2) Centigrade

3) Fahrenheit

ANSWER: 2 -- GALILEO

Q-6;  The first law of thermodynamics is concerned with the conservation of

1) energy

2) momentum

3) charge

4) matter

ANSWER: 1 -- ENERGY

Q-7; Which of the following best completes the statement: The calorie is the amount of heat needed to raise:

1) 1 gram of water 1 degree Celsius

2) 1 gram of water 1 degree Rankin

3) 1 kilogram of water 1 degree Celsius

4) 1 kilogram of water 1 degree Kelvin

ANSWER: 1 -- 1 GRAM OF WATER 1 DEGREE CELSIUS

Alpha particles are nuclei of:

Q-1; The half-life of an isotope of an element is 5 days. The mass of a 10 gram sample of this isotope remaining after 20 days is:

1) 0.312 grams

2) 0.625 grams

3) 1.25 grams

4) 2.50 grams

ANSWER: 2 -- 0.625 GRAMS

Q-2; The idea that electrons revolved in orbits around the nucleus of an atom without radiating energy away from the atom was postulated by:

1) Thompson

2) Bohr

3) Rutherford

4) Einstein

ANSWER: 2 -- BOHR

Q-3;  Alpha particles are nuclei of:

1) hydrogen

2) helium

3) oxygen

4) nitrogen

ANSWER: 2 -- HELIUM

Q-4; A ball falling vertically from rest for 3 seconds travels very nearly:

1) 14.7 meters

2) 29.4 meters

3) 44.1 meters

4) 88.2 meters

ANSWER: 3 -- 44.1 METERS