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Waves
Test Description: Waves ch.4 and electromagentic waves
Instructions: Answer all questions to get your test result.
1) A disturbance that transfer energy from place to place.
A
compression
B
Vibration
C
medium
D
wave
2) A material throught which a wave travels through.
A
compression
B
medium
C
wave
D
vibration
3) These waves do not require a medium to travel through.
A
compressional
B
electromagnetic
C
surface
D
mechanical
4) When the frequency increases the wavelength:
A
decreases
B
remains the same
C
moves perpendicular to the medium
D
increases
5) When a wave hits a barrier and bounces back it is called:
A
diffraction
B
rarefaction
C
refraction
D
reflection
6) The amplitude of a wave indicates the _______ the wave has.
A
energy
B
frequency
C
weight
D
mass
7) A FM radio station channels are based on the _______ of the waves they broadcast.
A
speed
B
frequency
C
wavelength
D
amplitude
8) If more force is added to a wave the amplitude will:
A
decrease
B
remain the same
C
increase
D
move paralle to the medium
9) What electromagnetic wave has the greatest frequency?
A
gamma rays
B
Radio
C
visible
D
microwave
10) Sound travels fastest through:
A
solid
B
liquid
C
Gas
D
gas and liquid
*select an answer for all questions
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