Chapter 15 Sound

Water waves...

• are not mechanical waves.
• transport water but not energy.
• transport energy but not water.
• transport energy and water.

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NGSS.HS-PS4-1

NGSS.HS-PS4-5

Our eyes can detect light only within a range of _____ of visible light.

• periods
• frequencies
• speeds
• mediums

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NGSS.HS-PS4-1

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Light waves...

• cannot travel through liquids.
• are electromagnetic waves.
• cannot travel through solids.
• require a medium.

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NGSS.HS-PS4-3

A person is standing still and listening to a siren sounding an alarm. The frequency of the sound is 500 Hz. The person begins running toward the sound at a rate of 20 m/s. The frequency of the sound the person hears will

• decrease
• remain the same
• increase
• change by 20 Hz.

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NGSS.HS-PS4-1

The _____ is the distance between two neighbouring crests of a wave.

• wavelength
• frequency
• amplitude
• period

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NGSS.HS-PS4-1

The speed of a sound wave...

• depends on amplitude
• depends on the medium
• depends on wavelength
• none of the above

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NGSS.HS-PS4-1

Sound waves are...

• circular waves
• longitudinal waves
• polarized waves
• transverse waves

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NGSS.HS-PS4-1

A wave x meters long has a speed of y meters per second. The frequency of the wave is

• y + x.
• x/y.
• y/x.
• yx.

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NGSS.HS-PS4-1

The wavelength of the wave in the diagram above is...

• 6.0 m
• 1.5 m
• .75 m
• 3 m

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NGSS.HS-PS4-1

If a transverse wave is moving from right to left, the individual particles in the medium are moving...

• left to right
• up and down
• right to left
• none of the above