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JEE Main Physics Class 11 Gravitation Part 1 Questions
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© examsnet.com
Question : 37
Total: 100
A satellite is in an elliptical orbit around a planet P. It is observed that the velocity of the satellite when it is farthest from the planet is 6 times less than that when it is closest to the planet. The ratio of distances between the satellite and the planet at closest and farthest points is :
[NA 6 Sep. 2020 (I)]
1 : 6
1 : 3
1 : 2
3 : 4
Validate
Solution:
By angular momentum conservation
r
min
v
max
=
m
r
max
v
min
Given,
v
min
=
v
max
6
∴
r
min
r
max
=
v
min
v
max
=
1
6
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