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