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3rd Nine Weeks Exam Part 2
Test Description: Waves
Instructions: Answer all questions to get your test result.
1) ____ is a solid, liquid, or gas that a wave travels through
A
wave
B
frequency
C
medium
D
period
2) the amount of time it takes one wavelength to pass a point (measured in seconds, s)
A
amplitude
B
period
C
wavelength
D
frequency
3) _________ are waves capable of transferring energy through a vacuum
A
transverse
B
longitudinal
C
mechanical
D
electromagnetic waves
4) when a wave strikes an object and bounces off of it
A
reflection
B
diffraction
C
interference
D
refraction
5) the bending of waves caused by a change in its speed as it moves from one medium through another
A
reflection
B
absorption
C
diffraction
D
refraction
6) A dark jacket feeling warmer in the sun than a light colored jacket is an example of which wave behavior?
A
interference
B
diffraction
C
resonance
D
absorption
7) What are the two factors that affect the amount of diffraction?
A
The size of the object the waves hit and the wave frequency
B
The wavelength of the waves and the wave speed
C
The size of the object the waves hit and the amplitude of the wave
D
The size of the object the waves hit and the wavelength of the waves
8) Which of the following is NOT an example of an opaque object?
A
cardboard
B
sunglasses
C
chromebook
D
textbook
9) _____ waves can be used to kill cancer cells and in radioactive tracers.
A
x-rays
B
gamma
C
ultraviolet
D
infrared
10) Which of the following is uses infrared rays?
A
Wi-Fi
B
CAT scan
C
night vision goggles
D
RADAR
*select an answer for all questions
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