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Audible and Inaudible Sounds

The frequenci...

Question

The frequencies of four sound waves are given below. Which of these sound waves can be used to measure the depth of sea ?

(a) 15,000 Hz (b) 10 kHz (c) 50 kHz (4) 10,000 Hz

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Solution

(c) 50 kHz

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The frequencies of four sound waves are given below. Which of these sound waves can be used to measure the depth of sea by the echo method ?

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Audible and Inaudible Sounds

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