AnswersCrowley Credit Recovery Physics BWave Properties

Wave Properties Answers

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Study the diagram.

Question illustration
A
A: crestB: amplitudeC: wavelengthD: trough
B
A: troughB: amplitudeC: crestD: wavelength
C
A: troughB: amplitudeC: wavelength D: crest
D
A: crestB: amplitude C: trough D: wavelength
2
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A sound wave has a frequency of 425 Hz. What is the period of this wave?

A
0.00235 seconds
B
0.807 seconds
C
425 seconds
D
850 seconds
3

The diagram represents wavelengths of different colors of visible light that pass by in a specific time period.

Question illustration
A
red
B
yellow
C
blue
D
violet
4

The speed of sound through argon is shown.

Question illustration
A
10 m/s
B
250 m/s
C
500 m/s
D
3200 m/s
5

What best describes the speed of light waves in solids, liquids, and gases?

A
The speed is fastest in solids.
B
The speed is fastest in liquids.
C
The speed is fastest in gases.
D
The speed is the same in all matter.
6

Which change will decrease the speed of a sound wave traveling through a gaseous matter?

A
replacing the gaseous matter with a liquid
B
replacing the gaseous matter with a solid
C
decreasing the temperature of the matter
D
increasing the temperature of the matter
7

The ______ is the time it takes for a wave to complete one cycle.

A
trough
B
period
C
frequency
D
hertz
8

A flute plays a note with a frequency of 266 Hz. What is the speed of sound if the wavelength is 1.3 m?

A
102 m/s
B
205 m/s
C
346 m/s
D
692 m/s
9

Which equations represent the relationship between wavelength and frequency for a sound wave? Check all that apply.v = f = vff = v = = f = f =

Question illustration
A
v = f
Option A
B
= vf
Option B
C
f = v
Option C
D
=
Option D
E
=
Option E
F
f =
Option F
G
f =
Option G
10

A wave is produced in a rope. The wave has a speed of 33 m/s and a frequency of 22 Hz.

A
0.67 m
B
0.75 m
C
1.5 m
D
3.0 m
11

A frequency generator sends a 550 Hz sound wave through both water and ice.

Question illustration
A
2.1 m
B
3.1 m
C
5.2 m
D
8.5 m
12

The speed of sound in ice, water, and steam is shown.

Question illustration
A
Sound travels fastest in ice because energy is easier to transfer when the molecules are close together.
B
Sound travels slowest in steam because the sound has to move around the gas molecules that are far apart.
C
Sound travels fastest in ice because the temperature of solids is always greater, so the heat transfers the sound energy.
D
Sound travels slowest in steam because the pressure is so great the sound cannot travel though the steam particles.
13

What best describes the relationship between wavelength and frequency in an electromagnetic wave?

A
always equal
B
no relationship
C
directly proportional
D
inversely proportional
14

On a cold day, the speed of sound in air is 330 m/s. A note with a frequency of 1,320 Hz is played on an instrument. What is the wavelength of that sound wave?

A
0.25 m
B
4 m
C
1,650 m
D
435,600 m

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