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lf change in the value of g at a depth d...

lf change in the value of g at a depth d below the surface of the earth is equal to that on the surface of the earth at latitude of angle `phi`, then,

A

`phi=cos^(-1)[sqrt((Romega)/(gd))]`

B

`phi=cos^(-1)[sqrtd/(R^2omega^2)]`

C

`phi=cos^(-1)[(gd)/(Romega)]`

D

`phi=cos^(-1)[sqrt(gd)/(Romega)]`

Text Solution

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The correct Answer is:
D
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