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The distance of the two planets from the...

The distance of the two planets from the Sun are `10^(13)m` and `10^(12) m`, respectively. Find the ratio of time periods of the two planets.

A

100

B

`(1)/(sqrt(10))`

C

`sqrt(10)`

D

`10 sqrt(10)`

Text Solution

Verified by Experts

The correct Answer is:
D
`T prop r^(3//2)`
`:. (T_(1))/(T_(2))=((10^(13))/(10^(12)))^(3//2)=10sqrt(10)`.
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DC PANDEY ENGLISH-GRAVITATION-Check Point 10.1
  1. Kepler's second law is based on

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  2. When a planet moves around the sun

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  3. A planet moves around the sun. It is closest to sun to sun at a distan...

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  4. For a satellite in elliptical orbit which of the following quantities ...

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  5. The motion of planets in the solar system in an example of conservatio...

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  6. Kepler's law starts that square of the time period of any planet movin...

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  7. The ratio of mean distances of three planets from the sun are 0.5 : 1:...

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  8. The time of revolution of planet A round the sun is 8 times that of an...

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  9. The distance of the two planets from the Sun are 10^(13)m and 10^(12) ...

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  10. A satellite having time period same as that of the earth's rotation ab...

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  11. A body is orbiting around earth at a mean radius which is two times a...

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  12. Two point masses each equal to 1 kg attract one another with a force o...

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  13. Gravitational force between a point mass m and M separated by a distan...

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  14. Three equal masses of 2kg each are placed at the vertices of an equila...

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  15. The force of gravitation is

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  16. Which of the following statements about the gravitational constant is ...

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  17. The distance of the centres of moon the earth is D. The mass of earth ...

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  18. Two identical spheres of radius R made of the same material are kept a...

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  19. If the distance between the sun and the earth is increased by three ti...

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  20. A spherical planet far out in space has mass 2M and radius a. A partic...

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