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JEE PYQ: Gravitation Question 41

Question 41 - 2019 (09 Jan Shift 1)

If the angular momentum of a planet of mass $m$, moving around the Sun in a circular orbit is $L$, about the center of the Sun, its areal velocity is:

(1) $\frac{L}{m}$

(2) $\frac{4L}{m}$

(3) $\frac{L}{2m}$

(4) $\frac{2L}{m}$

Show Answer

Answer: (3)

Solution

Areal velocity $= \frac{dA}{dt} = \frac{L}{2m}$.


Learning Progress: Step 41 of 49 in this series