Answers Crowley Credit Recovery Physics BIntroduction to Waves

Wave Properties Answers

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

trough

period

frequency

hertz

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A transverse wave with a frequency of 125 Hz is traveling in the x-direction.

0.42 seconds

2.0 seconds

2.4 seconds

4.8 seconds

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

always equal

no relationship

directly proportional

inversely proportional

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

replacing the gaseous matter with a liquid

replacing the gaseous matter with a solid

decreasing the temperature of the matter

increasing the temperature of the matter

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

0.67 m

0.75 m

1.5 m

3.0 m

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?

0.25 m

4 m

1,650 m

435,600 m

A sound wave has a frequency of 425 Hz. What is the period of this wave?

0.00235 seconds

0.807 seconds

425 seconds

850 seconds

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

Sound travels fastest in ice because energy is easier to transfer when the molecules are close together.

Sound travels slowest in steam because the sound has to move around the gas molecules that are far apart.

Sound travels fastest in ice because the temperature of solids is always greater, so the heat transfers the sound energy.

Sound travels slowest in steam because the pressure is so great the sound cannot travel though the steam particles.

All parts of the electromagnetic spectrum travel at a speed of 3 × 108 m/s when traveling through no medium. A "vacuum” means that there is no medium, such as a tube without any air in it. Therefore, 3 × 108 m/s is said to be the speed of light in a vacuum.

Wavelength doubles and speed doubles.

Wavelength doubles and speed stays the same.

Wavelength divides in half and speed doubles.

Wavelength divides in half and speed stays the same.

Sound travels slowest through what temperature of water?

20°C

40°C

60°C

80°C

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

red

yellow

blue

violet

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

2.1 m

3.1 m

5.2 m

8.5 m

A transverse wave is shown.

1.3 cm

2.1 cm

2.6 cm

4.2 cm

The diagram shows a wave traveling through a medium.

amplitude

crest

trough

wavelength

Study the diagram.Point C identifies the of the wave.

Answer not available

Study the diagram.

A: crestB: amplitudeC: wavelengthD: trough

A: troughB: amplitudeC: crestD: wavelength

A: troughB: amplitudeC: wavelength D: crest

A: crestB: amplitude C: trough D: wavelength

An FM radio station broadcasts at 9.23 × 107 Hz. Given that the radio waves travel at 3.00 × 108 m/s, what is the wavelength of these waves?

0.308 m

2.77 m

3.25 m

6.50 m

The speed of sound through argon is shown.

10 m/s

250 m/s

500 m/s

3200 m/s

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

102 m/s

205 m/s

346 m/s

692 m/s

What factors affect the speed of a wave? Check all that apply.

the amplitude of the wave

the energy of the wave

the temperature of the medium

the type of wave

the type of medium

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Wave Properties Answers

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