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Electromagnetic Spectrum And Light
Test Description: EM spectrum
Instructions: Answer all questions to get your test result.
1) Cell phones and televisions use this type of EM wave. It is the shortest wave with the lowest frequency.
A
Ultra Violet
B
TV
C
radio
D
Gamma
2) Which portion of the EM spectrum includes the range of light that can be detected by the human eye?
A
visible light
B
Ultra violet
C
x rays
D
infrared light
3) If the wavelength of an EM wave is longer, what is true about the energy?
A
energy is lower
B
energy is higher
C
energy is cancelled out
D
energy is not dependent on wavelength
4) Which part of the EM spectrum has high enough energy to cause damage to eyes, skin and could cause cancer?
A
infrared
B
microwaves
C
ultra violet
D
visible light
5) Which of the following electromagnetic waves is given off as heat?
A
gamma rays
B
UV (ultra violet)
C
x rays
D
infrared
6) A wave with a large wavelength will have a ________ frequency and _____ energy
A
low, low
B
low, high
C
high, low
D
high, high
7) These are the waves that are used to penetrate solids and are used to create medical images.
A
x rays
B
gamma
C
microwaves
D
visible light
8) The distance between one point of a wave to the same point on the next wave.
A
frequency
B
wavelength
C
crest
D
amplitude
9) Waves that require a medium to travel through
A
mecahnical
B
electromagnetic
10) Sound waves travel fastest in _____
A
gas
B
vacuum
C
liquid
D
solid
11) The lowest point of a transverse wave
A
trough
B
amplitude
C
wavelength
D
crest
12) The type of wave that DOES NOT need a medium to travel through.
A
electromagnetic
B
mechanical
13) The type of wave with the shortest wavelength and highest frequency. This type of wave is extremely harmful.
A
radio
B
gamma
C
infrared
D
x ray
14) The type of EM wave that is used to cook food. It has a higher frequency than radio waves.
A
visible light
B
microwave
C
radio
D
gama
15) This type of EM wave has the 3rd longest wavelength
A
x rays
B
micro
C
infrared
D
radio
16) This color has the shortest wavelength
A
red
B
indigo
C
yellow
D
violet
17) If an object appears black, this means all 7 colors of the visible light spectrum are _____
A
diffracted
B
reflected
C
absorbed
18) If an object appears white, this means all 7 colors of the visible light spectrum are _____
A
absorbed
B
reflected
C
diffracted
19) If an object appears blue, this means that ___
A
all colors are absorbed except blue, blue is reflected
B
all colors are reflected except blue, blue is absorbed.
20) light waves travel fastest in _____
A
vacuum
B
gas
C
liquid
D
solid
*select an answer for all questions
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