Ultrasound has frequency of vibration

Between 20 and 20,000 Hz

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Below 20 Hz

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Above 20,000 Hz

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Between 500 and 10,000 Hz

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Solution

The correct option is C Above 20,000 Hz
The answer is (c).
Frequency above 20000 Hz is ultrasound.

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Similar questions

Ultrasounds are low frequency waves.

Reason : Vibration of crystals is the source of ultrasound.

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