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- 1. Multiple Choice
Why does a straw appear to be bent?
light is absorbed
light is reflected
light is refracted
light is bounced
- 2. Multiple Choice
What do we call a material that light can travel through?
water
medium
air
pathway
- 3. Multiple Choice
When light bends it is called _____________
absorption
reflection
optical density
refraction
- 4. Multiple Choice
A diagram shows the condition of a spoon in a glass of water. What can be observed about tge spoon?
the water level rises
the spoon looks bent
the water is clear
light is refracted
- 5. Multiple Choice
When is light refracted?
when light cannot pass through an opaque object
when light is bounced
when light travels in a straight line
when light travels in two different mediums
- 6. Multiple Choice
A student placed a pencil in a cup of water. The pencil appears broken because light:-
reflects the pencil on the water's surface
bends when it passes through water
makes the water in the glass evaporate
always travels in straight line
- 7. Multiple Choice
What is this called?
reflection
retraction
refraction
reconstruction
- 8. Multiple Choice
In which of these medium does light travel the fastest?
water
air
glass
pencil
- 9. Multiple Choice
What happens to the speed of light when it passes from air to gas?
it increases
it does not change
it decreases
all of the above
- 10. Multiple Choice
Swimming pools and the ocean look shallower than they really are due to:
reflection
refraction
dispersion
total internal reflection
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