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- 1. Multiple Choice
If light travels from a higher to a lower index of refraction medium the light will
bend away from the vertical axis or may not refract
bend closer to the vertical axis
not bend
answer is not here
- 2. Multiple Choice
If light travels from a lower to a higher index of refraction medium the light will
bend away from the vertical axis
bend closer to the vertical axis
not bend
answer is not here
- 3. Multiple Choice
Light travels from air (n = 1.000) into an optical fiber. If the angles of incidence and refraction are 22oand 15º respectively. what is the index of refraction inside the fiber? Round off your values to 3 sig. figs.
1.45
1.44
0.69
0.70
- 4. Multiple Choice
Light travels from air (n = 1.00) into a second material. The incident ray of light hits the surface at angle of 64o and the refracted ray enters the second material at an angle of 32o. What is the index of refraction of the second material? n1sin(Θ1) = n2sin(Θ2)
1.4
0.90
0.53
1.7
- 5. Multiple Choice
Light travels from air (n = 1.00) into a "mystery" material. The incident ray of light hits the surface at angle of 43o and the refracted ray enters the mystery material at an angle of 27o. What is the index of refraction of the mystery material? n1sin(Θ1) = n2sin(Θ2)
1.5
1.0
0.67
2.1
- 6. Multiple ChoiceAccording to the Law of reflection, a light ray striking a mirrorcontinues moving through the mirror in the same directionmoves into the mirror at a slightly different anglebounces off the mirror toward the direction it came frombounces off the mirror at the same angle it hits.
- 7. Multiple ChoiceGlass has a _____________ index of refraction than air.EqualGreaterLessImpossible to say
- 8. Multiple ChoiceWhat is the index of refraction of a refractive liquid if the angle of incidence in the air is 35 degrees and the angle of refraction is 14 degrees?1.332.212.371.72
- 9. Multiple Choice
If light is traveling from air to water with an angle of INCIDENCE of 40 degrees, what is the angle of refraction? (n=1 air, n=1.33 water)
...How do you solve: (1)(sin40) = (1.33)(sinƟ)
48 degrees
2.07 degrees
11.9 degrees
28.9 degrees
- 10. Multiple ChoiceWhat is the index of refraction of a refractive medium if the angle of incidence in the air is 40 degrees and the angle of refraction is 29 degrees?1.322.061.5231.586
- 11. Multiple ChoiceIf the angle of incidence of light traveling through air, and then striking water is 30 degrees what is the angle of refraction? (n=1 air, n=1.33 water)15 degrees22 degrees43 degrees17 degrees
- 12. Multiple ChoiceWhat is the refractive medium if a ray coming from air at an angle of incidence of 50 degrees is refracted through an angle of 35 degrees?
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33flint glassbarium glasscrown glasswater - 13. Multiple ChoiceA ray of light traveling from air into crown glass strikes the surface at an angle of 30 degrees. What is the angle of refraction? (air n=1, crown glass n=1.532)39.7 degrees19.2 degrees59.1 degrees12.3 degrees
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