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Gravitation Tes...

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  • Question 1
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    According to kepler, the period of revolution of a planet (T) and its mean distance from the sun (r) are related by the equation

  • Question 2
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    A satellite of mass m is circulating around the earth with constant angular velocity. If radius of the orbit is Ro and mass of earth M , the angular momentum about the centre of earth is

  • Question 3
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    The earth E moves in an elliptical orbit with the sun s at one of the foci as shown in figure. Its speed of motion will be maximum at a point ..........

  • Question 4
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    The period of revolution of planet A around the sun is 8 times that of B. The distance of A from the sun is how many times greater than that of B from the sun.

  • Question 5
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    The earth revolves round the sun in one year. If distance between then becomes double the new period will be .......... years

  • Question 6
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  • Question 7
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    The period of moon’s rotation around the earth is nearly 29 days. If moon’s mass were 2 fold its present value and all other things remained unchanged the period of moons’s rotation would be nearly .....days

  • Question 8
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  • Question 9
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    The radius of orbit of a planet is two times that of earth. The time period of planet is.........years.

  • Question 10
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    If r denotes the distance between the sun and the earth, then the angular momentum of the earth around the sun is proportional to

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