The change in the value of g at a height h above the surface of the earth is the same as at a depth d below the surface of the earth.When both h and d are much smaller than the radius of earth,then which one of the following is true?
a=h/2
d=3h/2
d=2h
h=d
A
a=h/2
B
d=2h
C
d=3h/2
D
h=d
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Solution
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g′=g(1−2hR)=g(1−dR)∴d=2h
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