NEET2025Physics-Gravitation
NEET 2025 Physics Kepler's Laws MCQ Question
Type: MCQ-numerical-Medium-Class 11
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 ?
A
88 earth days
B
225 earth days
C
172 earth days
D
124 earth days
Correct Answer
Option A
Detailed Explanation
Using Kepler's third law, . If the radius is 4 times, then days, approximately 88 days.
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