Question

Wave length of ultrasonic sound wave is
a)More than audible sound
b)Less than audible sound
c)More than infrasonic sound
d)Less than infrasonic sound​

Answer 1

Answer:

d number is the answer of this question

Answer 2

Answer:

The sound waves with wavelength greater than that of audible sound i.e. frequency less than that of audible sound are called infra-sonic waves.

Explanation:

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