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- 1. Multiple Choice
Refraction is the bending of light as it (select all that apply)
goes from one medium to another
experiences a change in speed
scatters off a surface
bends around corners
- 2. Multiple Choice
In which medium is the average speed of light the fastest?
water
glass
diamond
vacuum
- 3. Multiple Choice
What is the line perpendicular to the surface of a material?
incident ray
reflected ray
refracted ray
normal
- 4. Multiple Choice
What is incorrect about this picture?
wrong measurement spots
1 does not equal 2
the arrows should go the other way
1 should equal 2
- 5. Multiple Choice
Why is the orange angle less than the red angle?
air has a higher index than water
water has a higher index than air
it is just random
more info is needed
- 6. Multiple Choice
Based on this diagram, the speed of light is faster in...
air
water
the speed of light is the same in both materials
- 7. Multiple Choice
Which medium has the smaller index of refraction?
Material 1
Material 2
The index is the same in both materials
- 8. Multiple Choice
1.00
1.50
0.66
6.00
- 9. Multiple Choice
Light goes from air to water (n = 1.33) at an angle of 35 degrees. What's the angle of refraction?
14.2 degrees
25.5 degrees
35 degrees
90 degrees
- 10. Multiple Choice
Which of the following situations would result in no refraction?
Make one material a very fast index
Make one material a very slow index
Make the angle of incidence 45 degrees
Make the materials have the same index of refraction
- 11. Multiple Choice
Which of the following would result in TIR?
Air to water
Glass to air
n = 1.0 to n = 1.33
n = 1.0 to n = 1.51
- 12. Multiple Choice
Why are there two normal lines in this picture?
The light ray changes medium twice
The light ray is undergoing TIR
there is an error
there is both reflection and refraction
- 13. Multiple Choice
In what medium does light move the slowest?
a
b
c
light moves at the same speed in all 3
- 14. Multiple Choice
What is happening at around a 60 degree incident beam?
TIR
Refraction
Dispersion
- 15. Multiple Choice
The phenomenon is known as
Diffraction
Displacement
Dispersion
Despacito
- 16. Multiple Choice
Dispersion occurs because of
Refraction
Reflection
Diffraction
- 17. Multiple Choice
Which lens is a converging lens?
a
b
neither of them
both of them
- 18. Multiple Choice
An image formed by a converging lens can be
Inverted
Virtual
Real
Smaller
All of the other answers are correct
- 19. Multiple Choice
An image formed by a diverging lens can be
Inverted
Virtual
Real
Larger
All of the other answers are correct
- 20. Multiple Choice
Describe the image formed by this lens
Inverted, larger, real
Inverted, smaller, real
Upright, larger, virtual
Upright, smaller, real
- 21. Multiple Choice
Which of the following best explains how a rainbow forms?
A cloud partially covers the light coming from the sun
A rain drop circularly polarizes light which turns it into a rainbow
Light refracts as it enters the raindrop then internally reflects
A raindrop acts like a converging lens and focuses the light into a rainbow
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