The coating on the plastic tape you use in your cassette players is

Q-1;The coating on the plastic tape you use in your cassette players is

1) diamagnetic
2) paramagnetic
3) ferromagnetic
4) a permanent magnet
ANSWER: 3 -- FERROMAGNETIC

Q-2;Which color light has the highest frequency?

1) green
2) violet
3) red
4) yellow
ANSWER: 2 -- VIOLET

Q-3; Your Minolta camera has a 50 millimeter lens. The 50 millimeters is the lens'

1) diameter
2) focal length
3) magnification
4) aperture
ANSWER: 2 -- FOCAL LENGTH

Q-4;You want to put up a mirror at a blind corner in a building. Which of the following will give you the largest field of view? Is it a:

1) convex mirror
2) concave mirror
3) cylindrical mirror
4) plane mirror
ANSWER: 1 -- CONVEX MIRROR

Q-5; Dr. Leon Lederman and two other physicists won the Nobel prize for discovering an elementary particle. That particle is the:

1) positron
2) meson
3) muon
4) neutrino
ANSWER: 4-- NEUTRINO

Q-6;Neutrinos are a subset of which of the following categories?

1) photons
2) leptons
3) mesons
4) baryons
ANSWER: 2 -- LEPTONS

Q-7; A flywheel rotating at 5 revolutions per second is brought to rest by a constant torque in 10 seconds. How many revolutions does the flywheel make while coming to a stop?

1) 25
2) 50
3) 75
4) 100
ANSWER: 1 -- 25

Q-8;A wooden board 2 meters long, 30 centimeters wide and 4 centimeters thick floats in water with 1 centimeter of its thickness above the surface. The mass of the board is:

1) 1.8 kilograms
2) 18 kilograms
3) 24 kilograms
4) 176 kilograms
ANSWER: 2 -- 18 KILOGRAMS