An echo sounder in a fishing boat receiv...

An echo sounder in a fishing boat receives an echo from a shoal of fish 0.45 secs after it was sent. If the speed of sound in water is 1500`m//s`, how deep is a shoal?

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CHETANA PUBLICATION-SOUND-EXERCISE

State applications of acoustics?
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A man shouts loudly close to a high wall. He hears an echo. If the man...
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An echo sounder in a fishing boat receives an echo from a shoal of fis...
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A girl stands 170 m away from a high wall and claps her hands at a ste...
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A girl stands 171 m away from a high wall and claps her hands at a ste...
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A man standing between 2 parallel cliffsfires a gun. He hears 2 echoes...
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Which are the major qualities of sound?
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Explain the terms Pitch and Timbre.
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Explain the term loudness. Give its unit and formula in decibel.
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When heard independently, two sound waves produce sensation of 60 db a...
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Define Doppler effect for sound waves?
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What is essential for obtaining Doppler effect for sound waves?
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What is the major difference between Doppler effect of sound and light...
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What is the effect of wind on Doppler shift of sound waves? Does veloc...
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Under which three conditions the changes in frequency can be studied u...
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State common properties between Doppler effect of sound and light.
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Under which conditions of motion between source and observer, Doppler ...
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Derive an expression for apparent frequency when source is moving and ...
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Derive an expression for apparent frequency when listener approaches a...
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Write an expression for apparent frequency when both source and listen...
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