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A satellite is revolving in a circular orbit at a height ‘h’ from the earth’s surface (radius of earth
R; h <<R). The minimum increase in its orbital velocity required, so that the satellite could
escape from the earth’s gravitational field, is close to : (Neglect the effect of atmosphere).
A satellite is revolving in a circular orbit at a height ‘h’ from the earth’s surface (radius of earth R; h <<R). The minimum increase in its orbital velocity required, so that the satellite could escape from the earth’s gravitational field, is close to : (Neglect the effect of atmosphere).
Options
A.2 gR
B.gR
C.g R / 2
D.gR ( 2 1)
Correct Answer
A. 2 gR
- Exam
- JEE Main
- Language
- English
- Year
- 2016
- Difficulty
- 1/5
- Section
- Physics
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