A stone is dropped in a well and splash is heard after $1.5$ seconds after the stone hits the water surface. If the velocity of sound is $327$ m/s the depth of the well is?

654.0

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490.5

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227

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981.0

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Solution

The correct option is B $490.5$ m
$\begin{matrix} Velocity of Sound = 327 m / s time required for sound wave to travelt to reach observer.=1.55 Distance travelled = velocity \times time = 327 \times 1.5 = 490.5 m so option B is correct \end{matrix}$

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A stone is dropped in a well and splash is heard after 1.5 seconds after the stone hits the water surface. If the velocity of sound is 327 m/s the depth of the well is?

The correct option is B 490.5m Velocity of Sound =327 m/s time required for sound wave to travelt to reach observer.=1.55 Distance travelled = velocity × time =327×1.5=490.5 m so option B is correct

A stone is dropped in a well and splash is heard after $1.5$ seconds after the stone hits the water surface. If the velocity of sound is $327$ m/s the depth of the well is?

The correct option is B $490.5$ m
$\begin{matrix} Velocity of Sound = 327 m / s time required for sound wave to travelt to reach observer.=1.55 Distance travelled = velocity \times time = 327 \times 1.5 = 490.5 m so option B is correct \end{matrix}$