The weight of an object in the coal mine, sea level, at the top of the mountain are W1,W2 and W3respectively, then-

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W1W3

W1=W2=W3

W1>W2>W3

answer is A.

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Detailed Solution

w = mg'g will be change according to these relation above earth at height h g′=g1−2hR below earth at depth d g′=g1−dR So from relations w1w3

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