A planet revolving elliptical orbit |GravitationJEEMain2021

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JEE MAIN 2021

26-02-2021 S1

Question

A planet revolving in elliptical orbit has :
(A) a constant velocity of revolution.
(B) has the least velocity when it is nearest to the sun.
(C) its areal velocity is directly proportional to its velocity.
(D) areal velocity is inversely proportional to its velocity.
(E) to follow a trajectory such that the areal velocity is constant.
Choose the correct answer from the options given below :

Select the correct option:

A

A only

B

D only

C

C only

D

E only

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

As per Keppler's 2nd law, Areal velocity is constant.

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