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A stone is dropped into a well and the s...

A stone is dropped into a well and the sound of the splash is heard `7(7)/(10)` seconds later. If the velocity of the 10 sound is `343 m//"sec"`., then the appr. depth of the well in meters is

A

240

B

340

C

440

D

None of these

Text Solution

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The correct Answer is:
A
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