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