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25 questions
Which term describes when light bounces off of a smooth surface?
Diffuse Reflection
Transmission
Absorption
Regular Reflection
Which diagram represents diffuse reflection?
A
B
Why does the straw appear to be bent?
light is reflected
light is absorbed
light is turned
light is refracted
What do we call a material that light can travel through?
air
water
medium
pathway
What is the angle of reflection equal to?
The angle of refraction
The angle of incidence
The angle of absorption
The angle of light
What might explain why light travels in a straight line?
If there is nothing to interfere with light waves, they should travel in a straight line.
Light waves will always travel in a straight line, even if they come into contact with another object.
Light waves don't travel in a straight line.
Light waves travel in a straight line because sound waves travel in a straight line.
What is the angle of reflection (θr) in the image?
56o
90o
124o
34o
A beam of light bends when it passes from air into water, and more when it passes from water into glass. What can you conclude from this fact?
Air is denser than glass
Water is denser than glass
Glass is denser than water
Air is denser than water
Three students stand 2 m apart in front of a plane mirror which is 3 m long.
Student Y is standing opposite the mid-point of the mirror.
How many students can see the images of the other two?
0
1
2
3
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