A man, by working a hand pump fixed to a well, pumps out 
water in 1 s. If the water in the well is 10 m below the ground level, then the work done by the man is 
a)
J
b)
J
c)
J
d)
J
A man, by working a hand pump fixed to a well, pumps out water in 1 s. If the water in the well is 10 m below the ground level, then the work done by the man is
a)
J
b)
J
c)
J
d)
J
Question ID - 51875 | SaraNextGen Top Answer
A man, by working a hand pump fixed to a well, pumps out water in 1 s. If the water in the well is 10 m below the ground level, then the work done by the man is
a)
J
b)
J
c)
J
d)
J
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A man, by working a hand pump fixed to a well, pumps out |
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1 Answer
127 votes
Answer Key / Explanation : (d) -
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(d) Mass to be lifted [ Height, Work done |
density of water 
]
127 votes
Answer Link
127