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Question

Name the sounds of the frequencies given below —(a) 10 Hz (b) 100 Hz (c) 1000 Hz (d) 40 kHz

Propagation of Sound Waves Class 9 ICSE

March 28, 2024

Answer

(a) 10 Hz → Infrasonic sound.

(b) 100 Hz → Audible sound.

(c) 1000 Hz → Audible sound.

(d) 40 Hz → Ultrasonic sound.

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