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Question
If the change in the value of 'g' at a height h above the surface of the earth is the same as at a depth x below it, then (both x and h being much smaller than the radius of the earth)
If the change in the value of 'g' at a height h above the surface of the earth is the same as at a depth x below it, then (both x and h being much smaller than the radius of the earth)
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Solution
The correct option is B
From the expressions for the variation of gravity with respect to height and depth
From the expressions for the variation of gravity with respect to height and depth