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Binding energy of moon and earth is :-...

Binding energy of moon and earth is :-

A

`("GM"_(e)"M"_(m))/(r_("em"))`

B

`("GM"_(e)"M"_(m))/(2r_("em"))`

C

`("GM"_(e)"M"_(m))/(r_("em"))`

D

`("GM"_(e)"M"_(m))/(2r_("em"))`

Text Solution

Verified by Experts

The correct Answer is:
B
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MOTION-GRAVITATION-Exercise - 1 (Section - C :- Keplers Law, Orbital Velocity, Escape Velocity + Geo. Stationary Satellites )
  1. The escape velocity for the earth is 11.2 km / sec . The mass of anoth...

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  2. A body is projected vertically upwards from the surface of the earth w...

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  3. Binding energy of moon and earth is :-

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  4. Two artificial satellites A and B are at a distance r(A) and r(B) abov...

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  5. The average radii of orbits of mercury and earth around the sun are 6x...

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  6. A body is dropped by a satellite in its geo-stationary orbit :

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  7. Two ordinary satellites are revolving round the earth in same elliptic...

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  8. Kepler's second law is a consequenc of

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  9. One projectile after deviating from itspath starts movnig round the ea...

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  10. In adjoining figure earth goes around the sun in eliptical orbit on wh...

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  11. Potential energy and kinetic energy of a two particle system under ima...

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  12. A satellite of earth of mass 'm' is taken from orbital radius 2R to 3R...

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  13. If a graph is plotted between T^(2) and r^(3) for a planet, then its s...

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  14. A planet is revolving around the sun. its distance from the sun at apo...

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  15. A satellite launching statian should be

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  16. A spaceship is launched into a circular orbit close to the Earth's sur...

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  17. A satellite moves around the earth in a circular orbit with speed v. I...

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  18. If the length of the day is T, the height of that TV satellite above t...

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  19. If two bodies of mass M and m are revolving around the centre of mass ...

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  20. Two satellites of same mass m are revolving round of earth (mass M) in...

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