CGPET 2016 Solved Paper

Section: Physics

Question : 3 of 150

Marks: +1, -0

A very long (length L) cylindrical galaxy ismade of uniformly distributed mass and hasradius R(R<<L) . A star outside the galaxy isorbiting the galaxy in a plane perpendicularto the galaxy and passing through its center.If the time period of star is T and its distancefrom the galaxy’s axis is r, then

T2∞r3
T∞r2
T∞r
T∞√r

Validate

Go to Question:

Prev Question

Next Question