A planet revolving in elliptical orbit has:A. a constant velocity of revolutionB. 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:
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a
D only
b
C only
c
E only
d
A only
answer is C.
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Detailed Solution
A planet revolving in elliptical orbit its velocity is not a constant but its areal velocity remains constant.
A planet revolving in elliptical orbit has:A. a constant velocity of revolutionB. 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: