What is the percentage change in the val...

What is the percentage change in the value of `g` as we shift from equator to pole on the surface of earth ? (Given equatorial radius of earth is greater than polar radius by `21 km` and mean radius of earth is `6300 km`).

`4.5%`

`0.65%`

`0.05%`

`0.43%`

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The correct Answer is:

`g_(p)-g_(e)=0.65%`

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