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EM Spectrum & Light
Test Description: Light and EM Spectrum review game
Instructions: Answer all questions to get your test result.
1) All EM waves travel in a vacuum at _______________, which is approximately 671,000,000 mph.
A
372,599 km/s
B
1,000,000 mph
C
300,000 mph
D
300,000 km/s
2) _________ light has the longest wavelength of all the colors.
A
Green
B
Red
C
Orange
D
Violet
3) Which type of EM wave is used in remote controls to change the channels?
A
Gamma
B
Radio
C
Ultraviolet
D
Infrared
4) In which medium would light travel the slowest?
A
Diamond
B
Vacuum
C
Air
D
Water
5) Which type(s) of EM waves have potentially harmful effects to humans?
A
Gamma
B
X-Ray
C
Ultraviolet
D
All of the above
6) What color is this apple reflecting?
A
All colors
B
Orange
C
Red
D
Blue
7) Which type of wave on the EM Spectrum is the most destructive, but is used in small doses to treat cancer?
A
Gamma Ray
B
Ultraviolet
C
X-Ray
D
Radio
8) White light is being ______________________ through raindrops to make a rainbow.
A
Reabsorbed
B
Reversed
C
Reflected
D
Refracted
9) The distance from any point on a wave to an identical point on the next
A
Wavelength
B
Wavespeed
C
Trough
D
Crest
10) Height from the midpoint (resting position) to the crest or from the midpoint to the trough
A
Wavelength
B
Trough
C
Amplitude
D
Crest
*select an answer for all questions
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