- 1(current)
Q. No.The work done to raise a mass \(m\) from the surface of the earth to a height \(h\), which is equal to the radius of the earth, is:
| 1. | \(\dfrac{3}{2}mgR\) | 2. | \(mgR\) |
| 3. | \(2mgR\) | 4. | \(\dfrac{1}{2}mgR\) |
Subtopic: Â Gravitational Potential Energy |
 67%
Level 2: 60%+
NEET - 2019
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Assuming that the gravitational potential energy of an object at infinity is zero, the change in potential energy (final - initial) of an object of mass \(m\) when taken to a height \(h\) from the surface of the earth (of radius \(R\) and mass \(M\)), is given by:
| 1. | \(-\frac{GMm}{R+h}\) | 2. | \(\frac{GMmh}{R(R+h)}\) |
| 3. | \(mgh\) | 4. | \(\frac{GMm}{R+h}\) |
Subtopic: Â Gravitational Potential Energy |
 65%
Level 2: 60%+
NEET - 2019
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A satellite of mass \(m\) is orbiting the earth (of radius \(R\)) at a height \(h\) from its surface. What is the total energy of the satellite in terms of \(g_0?\)
(\(g_0\) is the value of acceleration due to gravity at the earth's surface)
| 1. | \(\dfrac{mg_0R^2}{2(R+h)}\) | 2. | \(-\dfrac{mg_0R^2}{2(R+h)}\) |
| 3. | \(\dfrac{2mg_0R^2}{(R+h)}\) | 4. | \(-\dfrac{2mg_0R^2}{(R+h)}\) |
Subtopic: Â Gravitational Potential Energy |
 79%
Level 2: 60%+
NEET - 2016
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- 1(current)
Q. No.
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