Chapter 9 Introduction to Waves

Which term describes the number of waves passing a point during a certain period of time?

• Crest

• Frequency

• Range

• Wavelength

What is the wavelength of this wave?

• 1.5m

• 3.0m

• 5.0m

• 6.5m

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What measurement is usually determined by measuring the crest of one wave to the crest of another wave?

• amplitude

• frequency

• range

• wavelength

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What is amplitude?

• The number of waves that pass a given point in one second.

• The distance measured from a crest to a crest or trough to trough.

• The distance from a trough to a crest

• The distance from the resting point to the top of a crest or bottom of a trough.

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Which describes the number of waves that pass a given point in a set period of time?

• amplitude

• energy

• wave length

• frequency

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True or False

Sound does not need a medium to travel through.

• True

• False

Match the following

• a form of energy that is made by vibrations and needs a medium to travel

• Amplitude

• The lowest part of a wave.

• Crest

• The highest part of a wave.

• Sound Waves

• the height of a wave from origin to crest

• trough

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Waves transfer (a)  

• Matter
• Molecules
• Energy
• Atoms

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Which letter represents amplitude? (a)  

• A
• B
• C
• D
• E

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2. What property of a wave is represented by letter B? (a)  

• A. Wavelength
• B. Amplitude
• C. Speed
• D. Frequency

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