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Statement-1: There is not atmosphere on ...

Statement-1: There is not atmosphere on the moon.
Statement-2: The rms speed of gas molecules is greater than the escape velocity at moon.

A

Statement-1 is true, statement-2 is true: Statement-2 is a correct explanation for statement-1

B

Statement-1 is true, Statement-2 is true, Statement-2 is not a correct explanation for Statement-1

C

Statement-1 is true, Statement-2 is false.

D

Statement-1 is false, Statement-2 is true.

Text Solution

Verified by Experts

The correct Answer is:
A
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ALLEN-GRAVITATION-Exercise 3 (Miscellaneous Type Questions)
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  2. Statement-1: The acceleration of a particle near the earth surface dif...

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  3. Statement-1: Kepler's law of areas is equivalent to the law of conserv...

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  4. Statement-1: A satellite is moving in a circular orbit of the earth. I...

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  5. Statement-1:A personfeels weightlessness in an artificial satellite of...

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  6. Statement-1: Moon cannot be used as a satellite for communication. S...

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  7. Statement-1: There is not atmosphere on the moon. Statement-2: The r...

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  8. Statement-1: Pendulum clock stops working on the spaceship Statement...

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  9. Statement-1: Escape velocity is independent of the angle of projection...

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  10. Statement-1: The plane of the orbit of an artificial satellite must co...

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  11. Statement-1:When a planet approches the point which is farthest from t...

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  12. When a particle is projected from the surface of earth, its mechanical...

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  13. When a particle is projected from the surface of earth its mechanical ...

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  14. A solid sphere of mass M and radius R is surrounded by a spherical she...

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  15. It is easier to draw up a wooden block along an inclined plane than ha...

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  16. A solid sphere of mass M and radius R is surrounded by a spherical she...

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  17. For circular orbits the potential energy of the companion star is cons...

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  18. If temperature of ideal black body is decreased from T to T/2 than fin...

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  19. In the picture below the planet orbits around the sun with a period of...

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  20. In the picture below the planet orbits around the sun with a period of...

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