What Is the Frequency

The number of cycles produced per unit time.

• A. amplitude
• B. wave speed
• C. frequency
• D. wavelength

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The time needed for an object to complete one full cycle of simple harmonic motion is the ____ .

• period
• frequency
• harmonic
• amplitude

A harmonic motion has a frequency of 8 Hz.  What is the period of the wave?

• 16 sec
• 2 m
• 0.5 sec
• 0.125 sec

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NGSS.HS-PS4-1

The number of complete oscillations a harmonic motion makes each second is the ____ of the wave.

• fortitude
• amplitude
• period
• frequency

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A harmonic motion that has a frequency of 2 Hz has a period of...

• 2 seconds
• 0.5 seconds
• more info please

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What is the unit for frequency?

• Hz
• m
• J
• m/s

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The number of cycles per second is called ________

• amplitude
• frequency
• wavelength
• oscillation

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Which wave in the diagram has the lowest frequency?

• 1
• 2
• 3
• 4

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The time taken for one oscillation of 0.25 s. What is the frequency of this harmonic motion?

• 8 Hz
• 4 s
• 4 Hz
• 8 s

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NGSS.HS-PS4-1

A boy notices that 45 complete waves travel past him in ninety seconds.  What is the frequency of these water waves?

• 100 m
• 1 Hz
• 0.5 Hz
• 1m/s

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NGSS.HS-PS4-1