A tunnel has been dug into a solid sphere of non-uniform mass denstity as shown in the figure.
As one moves form $A$ to $B$ , the magnitude of gravitational field intensity:

will continuously decrease

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will decrease up to the centre of the sphere and then increase

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may increase or decrease

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will continuously increase

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Solution

The correct option is C may increase or decrease
Since the density is non-uniform, the gravitational intensity may have any value at any point. Hence C.

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Similar questions

In which of the following cases, the centre of mass of a rod is certainly not at its centre?

a. The density increases from left to right up to the centre and then decrease

b. The density decreases from left to right up to the centre and then increase

c. The density continuously increases from left to right

d. The density continuously decreases from left to right

ρ

r

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