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Q. No.The minimum energy required to launch a satellite of mass \(m\) from the surface of earth of mass \(M\) and radius \(R\) in a circular orbit at an altitude of \(2R\) from the surface of the earth is:
| 1. | \(\dfrac{2 G m M}{3 R} \) | 2. | \(\dfrac{G m M}{2 R} \) |
| 3. | \(\dfrac{G m M}{3 R} \) | 4. | \( \dfrac{5 G m M}{6 R}\) |
Subtopic: Â Satellite |
From NCERT
NEET - 2024
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A satellite is orbiting just above the surface of the earth with period \(T.\) If \(d\) is the density of the earth and \(G\) is the universal constant of gravitation, the quantity \(\frac{3 \pi}{G d}\) represents:
1. \(\sqrt{T}\)
2. \(T\)
3. \(T^2\)
4. \(T^3\)
1. \(\sqrt{T}\)
2. \(T\)
3. \(T^2\)
4. \(T^3\)
Subtopic: Â Satellite |
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From NCERT
NEET - 2023
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