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Audible range

Question 10Ul...

Question

Question 10
Ultrasound has frequency of vibration

(a) Between 20 and 20,000 Hz
(b) Below 20 Hz
(c) Above 20,000 Hz
(d) Between 500 and 10,000 Hz

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Solution

The answer is (c).
Frequency above 20000 Hz is ultrasound.

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Q. Question 10
Ultrasound has frequency of vibration

(a) Between 20 and 20,000 Hz
(b) Below 20 Hz
(c) Above 20,000 Hz
(d) Between 500 and 10,000 Hz

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