Optics

Question 1

What is angle of refraction?

Answer 1

angle that transmitted ray makes withe perpendicular plane of if interface between two media

Question 2

What does index of refraction tell us?

Answer 2

how much slower light travels through that medium than through empty space

Question 3

What is index of refraction equal to?

Answer 3

speed of light in a vaccuum divided by speed of light in a medium

Question 4

If n2 is greater than n1, which way will ray bend?

Answer 4

toward the middle of medium. N2 angle is smaller

Question 5

If n2 is less than n1, which way will ray bend?

Answer 5

away from the middle of medium. N2 angle is greater

Question 6

What is total internal reflection?

Answer 6

Case where incident ray energy will be reflected back to the original medium and there is no refracted ray

Question 7

Under which case will total internal reflection occur?

Answer 7

the angle of incidence is greater than the critical angle. high index to low index

Question 8

If angle of incidence is equal to critical angle

Answer 8

refracted beam skims the boundary

Question 9

True or falseElectromagnetic waves travel at different speeds when traveling through a material medium like glass or water

Answer 9

True

Question 10

Do colors of higher frequencies bend more or less upon entering medium?

Answer 10

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