CBSE 11th Standard Physics Subject Gravitation HOT Questions 1 Mark Questions 2021
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CBSE 11th Standard Physics Subject Gravitation HOT Questions 1 Mark Questions 2021
11th Standard CBSE
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Reg.No. :
Physics
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At what factor between the two particles gravitational force does not depend?
(a)Gravitational force does not depend upon the medium between the two particles.
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Are the Kepler's laws applicable only to the solar system?
(a)No, they are applicable to the artificial satellite too.
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Two particles of masses m1 and m2 attract each other gravitationally and are set in motion under the influence of the gravitational force? Will the centre of mass move?
(a)Since, gravitational force is an internal force, therefore the centre of mass would not move.
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When will the Kepler's law be applicable on the planets?
(a)Kepler's law will be applicable whenever inverse square law is involved.
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Work done in moving a particle round a closed path under the action of gravitation force zero. Why?
(a)Gravitational force is a conservative force which means that work done by it, is independent of path followed.
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CBSE 11th Standard Physics Subject Gravitation HOT Questions 1 Mark Questions 2021 Answer Keys
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Gravitational force does not depend upon the medium between the two particles.
Gravitational force does not depend upon the medium between the two particles.
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No, they are applicable to the artificial satellite too.
No, they are applicable to the artificial satellite too.
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Since, gravitational force is an internal force, therefore the centre of mass would not move.
Since, gravitational force is an internal force, therefore the centre of mass would not move.
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Kepler's law will be applicable whenever inverse square law is involved.
Kepler's law will be applicable whenever inverse square law is involved.
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Gravitational force is a conservative force which means that work done by it, is independent of path followed.
Gravitational force is a conservative force which means that work done by it, is independent of path followed.
