Wave Mechanics Question 868

Question: Ultrasonic waves are those waves

[CPMT 1979]

Options:

A) To which man can hear

B) Man can’t hear

C) Are of high velocity

D) Of high amplitude

Show Answer

Answer:

Correct Answer: B

Solution:

Ultrasonic waves are those of higher frequencies than maximum audible range frequencies (audible range of frequencies is 20 Hz to 20000 Hz)

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