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BITSAT 2022 Shift 1 Exam Paper

Section: Physics

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Question : 3 of 130

Marks: +1, -0

A submarine

A

17\,\mathrm{m/s}

is being chased along the line of its velocity by another submarine

B

34\,\mathrm{m/s}

. B sends a sonar signal of

600\,\mathrm{Hz}

A

and receives a reflected sound of frequency

v

v

[Speed of sound in water

=1500\,\mathrm{ms}^{-1}

$613.7\,\mathrm{Hz}$
$6137\,\mathrm{Hz}$
$62\,\mathrm{Hz}$
$539\,\mathrm{Hz}$

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