Which of the diagrams shown in figure. Most closely shows the variation in kinetic energy of the earth as it moves once around the sun in its elliptical orbit ?

Options

A.
B.
C.
D.

Answer

D

Explanation

As the earth moves once around the sun in its elliptical orbit, its `K.E.` is maximum when it is closest to the sun and minimum when it is farthest from the sun. As K.E. of earth is never zero during its motion, choice (d) is correct.