- 1(current)
Q. No.The time period of an earth satellite in circular orbit is independent of:
| 1. | the mass of the satellite |
| 2. | radius of the orbit |
| 3. | none of them |
| 4. | both of them |
Subtopic: Satellite |
78%
From NCERT
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A person sitting in a chair in a satellite feels weightless because:
| 1. | the earth does not attract the objects in a satellite. |
| 2. | the normal force by the chair on the person balances the earth's attraction. |
| 3. | the normal force is zero. |
| 4. | the person in the satellite is not accelerated. |
Subtopic: Satellite |
56%
From NCERT
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A body is suspended from a spring balance kept in a satellite. The reading of the balance is W1 when the satellite goes in an orbit of radius R and is W2 when it goes in an orbit of radius 2R.
1. W1 = W2
2. W1 < W2
3. W1 > W2
4. W1 ≠ W2
Subtopic: Satellite |
50%
From NCERT
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Two satellites A and B move around the earth in the same orbit. The mass of B is twice the mass of A. Then:
| 1. | speeds of A and B are equal. |
| 2. | the potential energy of earth \(+\) A is same as that of earth \(+\) B. |
| 3. | the kinetic energy of A and B are equal. |
| 4. | the total energy of earth \(+\) A is same as that of earth \(+\) B. |
Subtopic: Satellite |
68%
From NCERT
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- 1(current)
Q. No.
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