First slide

Gravitational force and laws

Question

A planet is revolving around the sun as shown in elliptical path
The correct option is

Moderate

A

The time taken in travelling DAB is less than that for BCD
B

The time taken in travelling DAB is greater than that for BCD
C

The time taken in travelling CDA is less than that for ABC
D

The time taken in travelling CDA is greater than that for ABC

Solution

During path DAB planet is nearer to sun as comparison with path BCD. So time taken in travelling DAB is less than that for BCD because velocity of planet will be more in region DAB.

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