Question

If the change in the value of 'g' at a height 'h' abovethe surface of the earth is same as at a depth xbelow it, then (x and h being much smaller thanthe radius of the earth)
(1) x = h
(2) x = 2h
(3) X = h/2
(4) x = h²

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Answer 1

Answer:

option: (2)

Explanation:

A/Q,

g at height h = g at depth x

g(1-2h/R) = g(1-x/R)

1-2h/R = 1-x/R

-2h/R = -x/R

2h = x

x = 2h