76. A stone is dropped into a well in which the level of water is h below the top of the well. If v is velocity of sound, thetime T after which the splash is heard is given by??

76. A stone is dropped into a well in which the level of water is h

1.	76. A stone is dropped into a well in which the level of water is h below the top of the well. If v is velocity of sound, thetime T after which the splash is heard is given by??
Answer» SORRY I don't KNOW it as I am in 7 CLASS

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76. A stone is dropped into a well in which the level of water is h below the top of the well. If v is velocity of sound, thetime T after which the splash is heard is given by??​

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76. A stone is dropped into a well in which the level of water is h below the top of the well. If v is velocity of sound, thetime T after which the splash is heard is given by??