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Physics Weekly Review
Physics Weekly Review
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Questions
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Answers
1
The speed of the wave depends on:
the frequency
the wavelength
the amplitude
the medium
2
Resonance will produce sound waves with the same ______________ as the source.
amplitude
wavelength
direction
frequency
3
What happens to a wave pulse that reaches a free end?
The reflected pulse will be the same as incoming pulse
The reflected pulse will be inverted from the incoming pulse
4
In sound waves the volume of a wave is equal to the:
Speed
Amplitude
Frequency
Pitch
5
Sound waves can .....
travel in all directions
not travel
travel only up
travel only down
6
In which media does sound travel fastest?
Glass
Steel
Water
Helium
7
What is the smallest bone in the body?
Stanvil
Stapes
Stamen
Stirrup
8
What is the beat frequency produced by two waves resonating at 450 Hz and 455 Hz?
450 Hz
15 Hz
5 Hz
.5 Hz
9
If the frequency of a wave increases, what happens to the wavelength?
It will increase
It will decrease
10
What can be concluded about the speed of sound in these materials?
Sound travels slower in air than in lead or rubber
Sound travels slower in lead than in air or rubber.
Sound travels faster in air than in lead or rubber.
Sound travels faster in lead than in air or rubber.
11
Which wave has a low frequency and low amplitude?
B
C
D
A
12
Wildcard!What year did the Berlin Wall come down?
1989
1969
1979
1999
13
How can wave speed be calculated?
subtraction wavelength from frequency
It cant be calculated at all
adding wavelength and frequency
multiplying wavelength and frequency
14
Wildcard! Ben Franklin was a US President.
False
True
15
Sound waves are all...
Electromagnetic waves
Longitudinal waves
Transverse waves
Waves
16
As the frequency of a wave increases, the energy of the wave _______.
decreases
remains constant
increases
is lost
17
The unit to measure frequency
Radiant Energy
Hertz
Vibration
Reflection
18
What does the Eustachian Tube do?
Amplifies sound waves
Equalizes pressure on both sides of eardrum
Vibrates the tympanic membrane
19
Why is this a poor example of the laws of physics in space?
Space is not dark
sound can not transmit through space
This is an accurate portrayal of physics in space
light can not transmit in space
20
The wavelength of a wave is 50m, the frequency is 450 Hz - what is the speed of the wave?
22500 m/s
35000m/s
9 m/s
400 m/s
21
Speed of sound is faster than speed of light.
True
False
22
What is the external ear called?
Pinna
Stapes
Tympanic membrane
Incus
23
Wildcard! Which insect has the best hearing?
Ants
Cockroach
Moths
Bees
24
The scientific name for the eardrum is the tympanic membrane.
True
False
25
A low pitch =
A low frequency
A low wavelength
A high wavelength
A high frequency
26
Temperature has no effect on the speed of sound.
False
True
