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Electromagnetic Spectrum
Test Description: Chapter 3 Sections 1-4
Instructions: Answer all questions to get your test result.
1) Electromagnetic waves are transverse waves that transfer
A
electrical and magnetic energy
B
photons
C
the particles of a medium
D
sound energy
2) What is another name for the bending of light
A
refraction
B
luminous
C
illuminated
D
reflection
3) The electromagnetic waves with the longest wavelengths and lowest frequencies are
A
infrared rays
B
radio waves
C
X-rays
D
gamma rays
4) What color is a red apple in blue light?
A
green
B
blue
C
red
D
black
5) What type of lens focuses light?
A
concave
B
convex
C
unkown
D
regular
6) Where is the retina found in the human eye?
A
in the back
B
in the middle
C
in front
D
on the outside
7) What type of mirror focuses light
A
regular
B
concave
C
unknown
D
convex
8) Mircrowaves are a type of
A
visible light
B
ultraviolet ray
C
radio waves
D
X-ray
9) Which of the following is associated with heat?
A
radio waves
B
ultraviolet
C
X-rays
D
infrared
10) What type of waves does sunscreen protect against
A
radio waves
B
infrared
C
X-rays
D
ulraviolet
11) What are mechanical waves caused by
A
cell phone
B
vibrations
C
wind
D
microwave oven
12) What is the peak or top of a wave called
A
trough
B
wavelength
C
frequency
D
crest
13) What is the length of a wave from crest to crest called?
A
trough
B
wavelength
C
crest
D
frequency
14) Which one is in the correct order?
A
gamma rays, radio, x-ray, ultraviolet, visible, infrared
B
radio, infrared, visible, ultraviolet, x-ray, gamma rays
C
radio, ultraviolet, visible, infrared, x-ray, gamma rays
D
visible, ultraviolet, gamma rays, x-ray, radio, infrared
15) Why does laser light travel so far?
A
incoherent
B
small
C
many wavelengths
D
coherent
16) What type of waves are microwaves, radar, and cell phone waves
A
infrared
B
x-rays
C
radio
D
ultraviolet
17) Why can electromagnet waves travel through space?
A
EM waves don't need a medium
B
EM waves don't need a source
C
EM waves are fast
D
EM waves are sound waves
18) Which wave kills skin cells and come from the sun?
A
ultraviolet
B
gamma rays
C
visible light
D
x-rays
19) Which of the following are opaque?
A
window
B
piece of paper
C
ice
D
desk
20) Which of the following are translucent?
A
air
B
desk
C
window
D
piece of paper
*select an answer for all questions
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