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7.Gravitation
hard
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
A
$A$ only
B
$D$ only
C
$C$ only
D
$E$ only
(JEE MAIN-2021)
Solution
As per Keppler's $2^{\text {nd }}$ law, Areal velocity is constant.
Standard 11
Physics
