In order for fiber optics to work, the incident light inside the fiber must hit the wall of the fiber at:

Q-1; In order for fiber optics to work, the incident light inside the fiber must hit the wall of the fiber at:

1) 90 degrees
2) 45 degrees
3) an angle greater than the critical angle
4) none of the above
ANSWER: 3 -- AN ANGLE GREATER THAN THE CRITICAL ANGLE

Q-2; When light is traveling through a vacuum, what is the product of the light's wavelength and frequency equal to?

1) speed of light
2) Plank's constant
3) momentum
4) wave number
ANSWER: 1 -- SPEED OF LIGHT

Q-3;  The inverse of wavelength is referred to as:

1) wave number
2) frequency
3) velocity
4) momentum
ANSWER: 1 -- WAVE NUMBER

Q-4; The GeV is a unit of:

1) momentum
2) energy
3) velocity
4) time
ANSWER: 2 -- ENERGY

Q-5; In AC Circuit Theory, the term that replaces the resistance is:

1) inductance
2) capacitance
3) impedance
4) reactance
ANSWER: 3 -- IMPEDANCE