an ultrasound equipment installed at a height of 80 m above sea water surface science out ultrasound that returns from the Sea bed and is detected after 5.4 second if the speed of ultrasound through sea water is 1500 M per second and that through air is 320 metre per second then the depth of sea at the places
Gurveer08:
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hai I given a answer
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its not even in the option
OK I will try again
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HOPE IT HELPS YOU.....
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it is in option
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oh sorry
i have put wrong ans
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dont worry
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