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If a body is taken from the surface of earth to moon, then its weight will

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Important Questions on Gravitation

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 67
To have an earth satellite synchronous with the rotation of the earth, it must be launched at proper height moving
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 68
The relay satellite transmits the T.V. programme continuously from one part of the world to another because its
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 69
If a body is released from an artificial satellite then
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 70
For a satellite that orbits as close to the earth's surface as possible, which of the following statements is incorrect?
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 71
At a given place where the acceleration due to gravity is g m s-2, a sphere of lead of density d kg m-3 is gently released in a column of liquid of density ρ kg m-3. If d>ρ, the sphere will
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 72
What should be the velocity of the earth due to rotation about its own axis so that the weight at the equator becomes 35 of initial value? Radius of earth on the equator is 6400 km.
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 73
Imagine a light planet revolving around a very massive star in a circular orbit of radius r with period T. If the gravitational force of attraction between planet and star is proportional to R-32, then T2 is proportional to
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 74

Assertion: The artificial satellite does not have any fuel but even then it remains orbiting around the earth.

Reason: The necessary centripetal force required to move the satellite in an orbit around the earth is provided by the gravitational force of attraction between the satellite and the earth.