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