A bat emits sound waves of frequency about 50 kHz while flying at night

PHYSICS · Single correct · CBSE · Physics · Sound · Sound

Problem

A bat emits sound waves of frequency about 50 kHz while flying at night. For humans this sound is (a) ultrasonic (b) audible (c) infrasonic (d) a radio wave

Related theory

Ultrasound
Sound frequency ranges
Sound
Waves
Ultrasound and its applications

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