JEE Mains 02-Sep-2020 Shift 1 Solved Paper

Section: Physics

Question : 7 of 75

Marks: +1, -0

The mass density of a spherical galaxy variesas

over a large distance 'r' from its centre.
In that region, a small star is in a circular orbitof radius R. Then the period of revolution, Tdepends on R as :

[2 Sep 2020 Shift 1]

T∝R
T2∝
1
R3
T2∝R
T2∝R3

Validate

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