Properties of Light Answers

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Carla did an experiment by placing a piece of smooth, clear glass and a piece of smooth, black stone under a lamp for twenty minutes. Which prediction will most likely be supported by Carla’s experimental results?

A
The glass will feel warmer than the stone after twenty minutes.
B
The stone will feel warmer than the glass after twenty minutes.
C
The glass will reflect all of the light after twenty minutes.
D
The stone will reflect all of the light after twenty minutes.
3

Which of these will reflect light with the highest frequency?

A
an orange basketball
B
a blue candle
C
a green ribbon
D
a yellow banana
5

Which example best illustrates that light behaves like particles?

A
Light bends as it strikes a window.
B
Light bounces off a white cement sidewalk.
C
Light travels in space at a speed of about 3.0 x 108 m/s.
D
Light increases in speed as it moves through matter.
6

Which object is least likely to allow light to pass through it?

A
a pair of eyeglasses
B
a clear water bottle
C
a car windshield
D
a tree trunk
7

Which object absorbs the most visible light?

A
a clear bowl
B
a white rock
C
a black t-shirt
D
a red apple
9

Which statement correctly compares the speed of light?

A
The speed of light through space is much greater than 3 x 108 m/s.
B
The speed of light in glass is much greater than 3 x 108 m/s.
C
The speed of light in glass is faster than the speed of light through space.
D
The speed of light in glass is slower than the speed of light through space.

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