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A planet of mass m moves around the sun ...

A planet of mass `m` moves around the sun of mass M in an elliptical orbit. The maximum and minimum distance of the planet from the sun are `r_(1) and r_(2)` respectively. The time period of the planet is proportional to

A

`r_(1)^(3//2)`

B

`r_(2)^(3//2)`

C

`(r_(1)+r_(2))^(3//2)`

D

`(r_(1)-r_(2))^(3//2)`

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-GRAVITATION -ASSIGNMENT SECTION - A (OBJECTIVE TYPE QUESTIONS)
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  5. The torque on a planet about the centre of sun is

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  11. A large number of identical point masses m are placed along x - a...

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  12. Three particles A,B and C each of mass m are lying at the corners of...

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  13. Two planets have same density but different radii The acceleration du...

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  15. If the density of the planet is double that of the earth and the radiu...

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  18. The acceleration due to gravity on a planet is 1.96 ms^(-2) if it is...

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