# Sound Physics

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1.
1 point
The time for a complete to-and-fro swing of a pendulum is called its frequency
2.
1 point
Circle the letter of each statement about the Doppler effect that is true
3.
1 point
Circle the letter of each statement about sound waves in air that is true
4.
1 point
the conditions necessary-in terms of wavelength-for a standing wave to form in a rope attached to a wall
5.
1 point
In Phase
6.
1 point
A moving wave source does not affect the frequency of the wave encountered by an observer
7.
1 point
Wave interference only occures with transverse waves
8.
1 point
The speed of sound in air is about
9.
1 point
The speed of a wave depends on the medium through which it travels
10.
1 point
Circle the letter of each example of a transverse wave
11.
1 point
The period of an ocean wave is 10 seconds. What is the wave's frequency?
12.
1 point
The source of nearly all wave motion is a
13.
1 point
Suppose a bug is jiggling up and down and swimming towards you at the same time. Compared to the frequency at which the bug is emitting waves, the frequency of the waves reaching you is
14.
1 point
The numer of times a wave vibrates each second is called its period
15.
1 point
Wave interference occures when...
16.
1 point
Describe the motion of the particles in a medium when a longitudinal wave passes through it
17.
1 point
An ______ is a regular arrangement of places where wave effects are increased, decreased, or neutralized
18.
1 point
What is an example of a longitudinal wave?
19.
1 point
The greek letter _____ is often used to represent wavelength
20.
1 point
A certain ocean wave has a wavelength of 10 meters and a frequency of .05 hertz. What is the wave's speed?
21.
1 point
standing waves occur because of
22.
1 point
When the high part of one wave fills in the low part of another wave, constructive interference occurs
23.
1 point
A higher frequency results when a wave source moves toward an observer
24.
1 point
A wave created by shaking a rope up and down is called a
25.
1 point
As a train sounding a horn goes away from you, both the sound speed and the pitch of the horn fall
26.
1 point
Standing waves can form in both transverse and longitudinal waves
27.
1 point
The distance between successive identical parts of a wave is called its frequency
28.
1 point
The equation for calculating the speed of a wave does not apply to light waves
29.
1 point
As the sound of a car's horn passes and recedes from you, the pitch of the horn
30.
1 point
Sound travels faster in air than in water
31.
1 point
A wave that appears not to move is likely to be a standing wave
32.
1 point
Circle the letter that best describes a transverse wave
33.
1 point
Destructive Interference
34.
1 point
The points on a standing wave where no motion occurs are called
35.
1 point
Circle the letter of each statement about antinodes that is true
36.
1 point
Circle the letter of each wave property that is related
37.
1 point
Sound waves are examples of longitudinal waves
38.
1 point
Out of Phase
39.
1 point
Constructive Interference