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