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The gravitational potential change unifo...

The gravitational potential change uniformly from `-20 J//kg` to `-40J//kg` as one moves along `X`-axis from `x=-1m` to `x=+1m`. Mark the correct statement (s) about gravitational field intensity of origin.

A

The gravitational field intensity at `x=0` must be equal to `10N//kg`.

B

The gravitational field intensity at `x=0` may be equal to `10N//kg`.

C

The gravitational field intensity at `x=0` may be greater than `10N//kg`.

D

The gravitational field intensity at `x=0` must not be less than `10 N//kg`.

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The correct Answer is:
A D
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