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Consider a planet in some solar system which has mass double the mass of the Earth and density equal to the average density of the Earth. An object weighing W on the earth will weigh

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Important Questions on Gravitation

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IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 15
The radius of the Earth is about 6400 km and that of Mars is about 3200 km. The mass of the Earth is about 20 times the mass of Mars. An object weighs 500 N on the surface of Earth. Its weight on the surface of Mars would be
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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 17
The orbital speed of Jupiter is
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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 18
The critical velocity of a satellite of mass 100 kg is 20 km h-1. The critical velocity of another satellite of mass 200 kg in the same orbit is
 
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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 19
Two satellites of masses m and 4m orbit the Earth in circular orbits of radii 4r and r, respectively. The ratio of their orbital speeds is
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MHT-CET
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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 20
Two satellites A and B go round a planet P in circular orbits having radii 9R and R, respectively. If the speed of the satellite A is 4v, the speed of the satellite B will be
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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 21
The orbital velocity of a satellite very near to the surface of the earth is v. What will be its orbital velocity at an altitude 7 times the radius of the earth?
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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 22
A satellite is moving very close to a planet of density 8×103 kg m-3· If G=6.67×10-11 N m2 kg-2, then the time period of the satellite is nearly
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MHT-CET
IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 23
The time period of a satellite in a circular orbit of radius R is T. The radius of the orbit in which time period is 8T is