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Kepler's second law regarding constancy ...

Kepler's second law regarding constancy of aerial velocity of a planet is consequence of the law of conservation of `...............`

A

energy

B

angular momentum

C

linear momentum

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
`(dA)/(dt) = L/(2m)` = constant
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FULL MARKS-GRAVITATION-ADDITIONAL QUESTIONS SOLVED (I. Choose the correct answer from the following)
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  4. The period of Moon's rotation around the Earth is nearly 29 days.If Mo...

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  5. The period of revolution of planet A around the Sun is 8 times that of...

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  6. The radius of orbit of a planet is two times that of Earth. The time p...

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  7. A Geo-stationary satellite bits around the earth in a circular of radi...

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  8. What does not change in the field of central force?

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  9. A satellite which is geostationary in a particular orbit is taken to a...

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  10. If Earth be at one fourth its present distance from the Sun, how many ...

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  11. The Earth E moves in an elliptical orbit with the Sun S at one of the ...

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  12. Rockets are launched in eastward direction to take advantage of..........

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  14. Which of the following statement about the gravitational constant is t...

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  15. Energy required to move a body of mass 'M' from an orbit of radius 2R ...

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  17. What is the intensity of gravitational field at the center of spherica...

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  18. A body of mass m is taken from the Earth's surface to a height equal t...

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  19. A satellite is orbiting around the Earth in a circular orbit with velo...

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  20. Escape velocity of a body of 1 kg. On a planet is 100 ms^(-1). Gravita...

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