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The magnitude of the gravitational field...

The magnitude of the gravitational field at distance `r_1` and `r_2` from the centre of a uniform sphere of radius R and mass M are `F_1` and `F_2` respectively then

A

`F_1/F_2=r_1/r_2 ` if `r_1 lt R` and `r_2ltR`

B

`F_1/F_2=r_1^2/r_2^2 ` if `r_1 gt R` and `r_2gtR`

C

`F_1/F_2=r_1/r_2 ` if `r_1 gt R` and `r_2gtR`

D

`F_1/F_2=r_1^2/r_2^2 ` if `r_1 gt R` and `r_2gtR`

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The correct Answer is:
A, B
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