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There is no atomosphere on moon because...

There is no atomosphere on moon because

A

It is closer to the earth

B

It revolves round the earth

C

It gets light from the sun

D

The escape velocity of gas molecules is lesser than their root mean square velocity here

Text Solution

Verified by Experts

The correct Answer is:
D
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ERRORLESS -GRAVITATION-SET
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  2. Two planets revolve round the sun with frequencies N(1) and N(2) revol...

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  3. There is no atomosphere on moon because

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  4. Two heavenly bodies s1 & s2 not far off from each other, revolve in or...

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  5. The mass of the moon is about 1.2% of the mass of the earth. Compared ...

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  6. A clock S is based on oscillations of a spring and clock P is based on...

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  7. Consider earth to be a homogeneous sphere. Scientist A goes deep down ...

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  9. A weight is suspended from the ceiling of a lift by a spring balance. ...

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  10. If a planet consits of a satellite whose mass and radius were both hal...

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  11. At a given place where acceleration due to gravity is 'g' m//sec^(2), ...

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  12. g(e) and g(p) denote the acceleration due to gravity on the surface of...

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  13. If the value of g at the surface of the earth is 9.8 m//sec^(2), then ...

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  14. The acceleration due to gravity about the earth's surface would be hal...

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  15. A pendulum clock is set to give correct time at the sea level. This cl...

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  16. At some point the gravitational potential and also the gravitational f...

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  18. The ratio of the radius of the earth to that of moon is 10. The ratio ...

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