Question

The speed of ultrasound in air is :
(a) the same as audible sound
(b) less than audible sound
(c) more than audible sound
(d) equal to the speed of light

March 28, 2024

Answer

(a) the same as audible sound

Reason — The speed of ultrasound in air is the same as audible sound i.e. 330 m s^-1.

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