Waves CP Test

Refraction occurs when a wave changes its ​ (a)   as it passes through a different medium.

• speed
• color
• frequency
• intensity

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Nature & Properties of Waves

Houses with carpet are much quieter than houses with tile or hardwood floors because of sound wave (a)  

• absorption
• diffraction
• reflection
• refraction

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Behaviors of Waves

Which is an example of a compressional wave?

• X-ray

• gamma ray

• sound wave

• water wave

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Nature & Properties of Waves

Increasing the amplitude of a sound wave will make it ​ ​ (a)   .

• louder
• have a higher pitch
• travel faster
• produce beats

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Nature & Properties of Waves

Ocean waves crash on the beach at a velocity of 3.5 m/s. If the distance between the crests of each wave is 4 m, find the frequency of the waves.

• 0.88 Hz

• 1.14 Hz

• 0.0088 Hz

• 14.0 Hz

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Nature & Properties of Waves

The picture to the left shows which wave behavior?

• absorption

• reflection

• diffraction

• refraction

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Behaviors of Waves

An echo is an example of sound wave (a)  

• absorption
• reflection
• diffraction
• refraction

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Behaviors of Waves

What is the velocity of a wave having a frequency of 25 Hz and a wavelength of 10 m?

• 250 m/s

• 2.5 m/s

• 35 m/s

• 0.4 m/s

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Nature & Properties of Waves

A glass prism is able to bend light because

• light is refracted as it enters a different medium

• the prism creates destructive interference

• energy is diffracted when it encounters an obstacle

• the glass and the light’s wavelength create resonance

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Behaviors of Waves

In 1 second, 4 crests of a wave pass a certain point. What is the wave’s frequency?

• 0.25 Hz

• 2.5 m/s

• 4 Hz

• 4 m/s

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NGSS.MS-PS4-1