Light Waves Question Preview (ID: 37375)
Review Of Light.
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What do we call the colored bands that are created by separating white light?
a) reflection
b) refraction
c) spectrum
d) visible light
What do we call the waves of vibrating electric and magnetic fields?
a) electromagnetic spectrum
b) electromagnetic waves
c) visible light
d) light waves
This is the light that has wavelengths that can be detected by the human eye.
a) visible light
b) reflection
c) refraction
d) spectrum
This is the bouncing of light waves off a surface.
a) refraction
b) reflection
c) spectrum
d) visible light
This is the bending of a light wave.
a) visible light
b) spectrum
c) reflection
d) refraction
What causes refraction to occur?
a) light moves fast
b) light moves slowly
c) when light moves from 1 medium to another
d) when light moves through a gas
Light travels in ...
a) a longitudinal wave
b) a solid
c) a straight line
d) a curved line
Light travels fastest through...
a) solids
b) liquids
c) gasses
d)
When light goes from the air into water, it's speed...
a) gets slower
b) gets faster
c) stays the same
d) goes faster and then slower
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) White shirts allow more air to pass through.
c) The white shirt would reflect all the colors of the spectrum and not absorb any.
d) The black shirt would absorb the darkest colors and only reflect the light colors of the spectrum.
The color of the spectrum is determined by ...
a) frequency
b) amplitude
c) wave height
d) wavelength
When all colors of the spectrum are absorbed, the light energy changes into...
a) heat energy
b) sound energy
c) electromagnetic energy
d) mechanical energy
Which of the following is an example of refraction?
a) a pencil looking bent when it is sticking out of a glass of water
b) A color spectrum showing on the wall when the light comes through the window
c) a rock in the water appearing to be in a different spot than it actually is
d) all of the above
Why does an apple look red?
a) the apple absorbs all colors except red and relects the red
b) the apple absorbs red and reflects all other colors
c) the apple absorbs half of the colors of the spectrum and reflects the others
d) red has the longest wavelength
Which color has the shortest wavelength?
a) red
b) green
c) blue
d) violet
If you were looking at a fish under water, at what point would refraction happen?
a) when the light was between your eye and the water
b) when the light was entering the water
c) when the light hit the fish
d) when the light bounced off the surface of the water
If you were looking at a fish under water, at what point would reflection happen?
a) when the light was between your eye and the water
b) when the light was entering the water
c) when the light hit the fish
d) when the light bounced off the surface of the water
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