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According to Kepler’s second law, the radial vector to a planet from the Sun sweeps out equal areas in equal intervals of time. This law is a consequence of ___________. - Physics

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प्रश्न

According to Kepler’s second law, the radial vector to a planet from the Sun sweeps out equal areas in equal intervals of time. This law is a consequence of ___________.

पर्याय

  • conservation of linear momentum

  • conservation of angular momentum

  • conservation of energy

  • conservation of kinetic energy

MCQ
रिकाम्या जागा भरा
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उत्तर

According to Kepler’s second law, the radial vector to a planet from the Sun sweeps out equal areas in equal intervals of time. This law is a consequence of conservation of angular momentum.

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पाठ 6: Gravitation - Evaluation [पृष्ठ ४२]

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सामाचीर कलवी Physics - Volume 1 and 2 [English] Class 11 TN Board
पाठ 6 Gravitation
Evaluation | Q I. 6. | पृष्ठ ४२

संबंधित प्रश्‍न

State Kepler’s three laws.


Explain how Newton verified his law of gravitation.


Assume that you are in another solar system and provided with the set of data given below consisting of the planets’ semi-major axes and time periods. Can you infer the relation connecting semi-major axis and time period?

Planet (imaginary) Time period (T) (in year) Semi-major axis (a) (in AU)
Kurinji 2 8
Mullai 3 18
Marutham 4 32
Neithal 5 50
Paalai 6 72

If the masses and mutual distance between the two objects are doubled, what is the change in the gravitational force between them?


If the angular momentum of a planet is given by `vec"L" = 5"t"^2hat"i" - 6"t"hat"j" + 3hat"k"`. What is the torque experienced by the planet? Will the torque be in the same direction as that of the angular momentum?


The escape velocity of a body depends upon mass as ______ 


The time period of a satellite revolving around the earth in a given orbit is 7 hours. If the radius of the orbit is increased to three times its previous value, then the approximate new time period of the satellite will be ______.


The mass density of a spherical galaxy varies as `"K"/"r"` over a large distance 'r' from its center. In that region, a small star is in a circular orbit of radius R. Then the period of revolution, T depends on R as :


Four identical particles of mass M are located at the corners of a square of side 'a'. What should be their speed if each of them revolves under the influence of the other's gravitational field in a circular orbit circumscribing the square?


What causes tides on Earth?


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