Physics XI Notes for Physics Notes

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How does ‘g’ at a point vary with distance from the centre of the earth? Where is the highest value of ‘g’? Explain.

The value of ‘g’ is zero at the centre of the earth. Its value increases from centre to the surface of the earth and becomes maximum at the surface of the earth. On increasing the height, its value decreases. This can be shown by the following graph.

Variation of g

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