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Light Waves
Test Description: Review of Light.
Instructions: Answer all questions to get your test result.
1) What do we call the colored bands that are created by separating white light?
A
spectrum
B
refraction
C
visible light
D
reflection
2) What do we call the waves of vibrating electric and magnetic fields?
A
visible light
B
light waves
C
electromagnetic waves
D
electromagnetic spectrum
3) This is the light that has wavelengths that can be detected by the human eye.
A
reflection
B
spectrum
C
visible light
D
refraction
4) This is the bouncing of light waves off a surface.
A
reflection
B
spectrum
C
refraction
D
visible light
5) This is the bending of a light wave.
A
spectrum
B
refraction
C
reflection
D
visible light
6) What causes refraction to occur?
A
light moves slowly
B
when light moves through a gas
C
light moves fast
D
when light moves from 1 medium to another
7) Light travels in ...
A
a curved line
B
a straight line
C
a solid
D
a longitudinal wave
8) Light travels fastest through...
A
liquids
B
solids
C
gasses
9) When light goes from the air into water, it's speed...
A
gets faster
B
goes faster and then slower
C
gets slower
D
stays the same
10) Why would a black shirt be warmer than a white shirt in the sun?
A
The black shirt would reflect all the colors of the spectrum and not absorb any.
B
The white shirt would reflect all the colors of the spectrum and not absorb any.
C
White shirts allow more air to pass through.
D
The black shirt would absorb the darkest colors and only reflect the light colors of the spectrum.
11) The color of the spectrum is determined by ...
A
amplitude
B
wave height
C
frequency
D
wavelength
12) When all colors of the spectrum are absorbed, the light energy changes into...
A
electromagnetic energy
B
sound energy
C
heat energy
D
mechanical energy
13) Which of the following is an example of refraction?
A
a rock in the water appearing to be in a different spot than it actually is
B
a pencil looking bent when it is sticking out of a glass of water
C
A color spectrum showing on the wall when the light comes through the window
D
all of the above
14) Why does an apple look red?
A
red has the longest wavelength
B
the apple absorbs red and reflects all other colors
C
the apple absorbs all colors except red and relects the red
D
the apple absorbs half of the colors of the spectrum and reflects the others
15) Which color has the shortest wavelength?
A
blue
B
green
C
violet
D
red
16) If you were looking at a fish under water, at what point would refraction happen?
A
when the light bounced off the surface of the water
B
when the light hit the fish
C
when the light was entering the water
D
when the light was between your eye and the water
17) If you were looking at a fish under water, at what point would reflection happen?
A
when the light was entering the water
B
when the light bounced off the surface of the water
C
when the light hit the fish
D
when the light was between your eye and the water
*select an answer for all questions
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