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Question

Sonar makes use of:
(a) Infrasonic sound
(b) Ultrasound
(c) Supersonic sound
(d) Light

Category: Propagation of Sound Waves Class 9 ICSE

March 28, 2024

Answer

(b) Ultrasound

Reason — In SONAR (abbreviated form of sound navigation and ranging), to detect and find the distance of objects under water, ultrasound is used.

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