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If g(1) and g(2) denote acceleration due...

If `g_(1)` and `g_(2)` denote acceleration due to gravity on the surface of the earth and on a planet whose mass and radius is thrice that of earth, then

A

`g_(1)=9g_(2)`

B

`g_(2)=9g_(1)`

C

`g_(1)=3g_(2)`

D

`g_(2)=3g_(1)`

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE-GRAVITATION -ASSIGNMENT SECTION -A (Objective Type Questions (one option is correct))
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  2. If the radius of the earth were to shrink by 1% its mass remaining the...

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  8. At what height above the earth's surface does the value of g becomes 3...

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  9. A point mass when enters d depth below the earth's surface such that t...

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  14. If G is universal gravitational constant and g is acceleration due to ...

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  15. There is no effect of rotational motion of earth on the value of g at

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  16. Gravitational potential at a height R from the surface of the earth wi...

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  17. What will be gain in potential energy of a body of mass m at a height ...

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  18. The gravitational potential energy of a system of three particles of m...

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  19. The gravitational potential at the centre of a square of side a when f...

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  20. Energy required to move a body of mass m from an orbit of radius 2R to...

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