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g(e) and g(p) denote the acceleration du...

`g_(e)` and `g_(p)` denote the acceleration due to gravity on the surface of earth and another planet whose mass and radius are twice that of the earth, then

A

`g_(p) = g_(e)`

B

`g_(p) = g_(e)//2`

C

`g_(p) = 2g_(e)`

D

`g_(p) = g_(e)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-GRAVITATIONAL-EXERCISE-2
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  4. Mass of the moon is 1/81 of the earth but gravitational pull is 1/6 of...

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  5. A body weighs 700 gm - wt on the surface of the earth of a planet whos...

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  6. Weight of a body on the surfaces of two planets is the same. If their ...

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  7. The radius of the earth is about 6400 km and that of mars is about 320...

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  8. Average density of earth is

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  9. The value of acceleration due to gravity on the surface of earth is x....

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  10. If the change in the value of g at a height h above the surface of the...

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  11. The altitude at which the weight of a body is only 64% of its weight o...

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  12. At a certain height above the earth's surface the gravitational is 4% ...

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  13. The acceleration due to gravity at a depth of 1600 km inside the earth...

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  14. If R is radius of the earth, the height above the surface of the earth...

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  16. The angular velocity of the earth about its polar axis so that the wei...

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  17. The amount of work dne in lifting a body of mass 'm' from the surface ...

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  18. Find the PE of three objects of masses 1kg, 2 ks and 3 kg placed at th...

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  20. A body of mass 'm' is taken from m the earth's surface to the height e...

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