Year: 2025
Topic: Gravitation
Time :
1.
The radius of Martian orbit around the Sun is about 4 times the radius of the orbit of Mercury. The Martian year is 687 Earth days. Then which of the following is the length of 1 year on Mercury?
(1). 124 earth days
(2). 88 earth days
(3). 225 earth days
(4). 172 earth days