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