Question 39

PHMCQ2 marksNeeds review
Consider a spherical galaxy of total mass

and radius

, having a uniform matter distribution. In this idealized situation, the orbital speed

of a star of mass

(

) as a function of the distance

from the galactic centre is best described by
(

is the universal gravitational constant)
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2021PH

GATE PH 2021 · Paper 1

Physics · Original paper archive

Section
Physics
Question type
Multiple choice (MCQ)
Marks
2 marks

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