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NIKITA PUBLICATION-GRAVITATION-Multiple Choice Questions
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- A man inside an artificial satellite feels weightlessness because the...
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- If the speed of rotation of earth about its axis is increased,
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- Weightlessness experienced while orbiting the earth in space-ship, is ...
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- If a body is taken to a place where there is no gravity, then
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- Weightlessness experienced while orbiting the earth in space-ship, is ...
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- Astronauts in a stable orbit around the earth are said to be in a weig...
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- An astronaut weighs 70 kg on the earth. If he is inside a satellite re...
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- A body is projected up with a velocity equal to 3//4th of the escape v...
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- The orbit of a geostationary satellite is
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- To have an earth satellite synchronous with the rotation of the earth,...
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- A geostationary satellite
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- The redius of the earth is R. For a satellite to appear stationary, it...
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- A geo-stationary satellite has an orbital period of
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- The mean radius of earth is R, its angular speed on its own axis is w ...
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- If R is the radius of a planet and g is the acceleration due to gravit...
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- According to Kepler, the period of revolution of a planet ( T ) and it...
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- The angular velocity of rotation of star (of mass M and radius R ) at ...
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- The ratio of the radius of the earth to that of moon is 10. The ratio ...
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