The motion of a planet around sun in an elliptical orbit is shown in the following figure.
Channel: Doubtnut
Date: 09/02/2020

The motion of a planet around sun in an elliptical orbit is shown in the following figure. Sun is situated at one focus. The shaded areas are equal. If the planet takes time `t_1` and `l_2` in moving from `A` to `B` and from `C` to `D` respectively, then