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JEE Mains 03-Sep-2020 Shift 2 Solved Paper

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Question : 5

Total: 75

The mass density of a planet of radius R varies with the distance r from its centre as ρ(r)=ρ0(1−

). Then the gravitational fieldis maximum at:

r=
1
√3
R
r=√
5
9
R
r=√
3
4
R
r= R

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