Chapter 9 Waves

The type of waves that require medium to pass:

• Mechanical Waves
• Electromagnetic Waves

When the frequency of a wave increases, what happens to the wavelength?

• The wavelength is not directly affected by the frequency of a wave.
• The wavelength increases.
• The wavelength decreases.
• More specific information is needed to form a conclusion about the wavelength.

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A mechanical wave cannot travel through...

• a vacuum(empty space).
• water.
• air. 
• glass.

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regular disturbances that carry energy through matter or space

• crest
• energy
• wave
• trough

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When a wave strikes and object and bounces off. (example echo)

• medium
• refraction
• reflection
• interference

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When a wave bends as it passes through at an angle from one medium to another.(example: pencil in a glass of water-)

• medium
• refraction
• reflection
• interference

A wave carries...?

• energy only
• matter only
• energy and matter
• neither

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Which of the following is NOT a mechanical wave?

• sound
• light
• ocean
• seismic

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What is the measure of how many waves pass a point in a second?

• frequency
• wavelength
• midpoint
• crest and trough

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A compressional wave is another name for a 

• longitudinal wave
• electromagnetic wave
• radio wave
• hair wave