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If the density of the planet is double t...

If the density of the planet is double that of the earth and the radius 1.5 times that of the earth, the acceleration due to gravity on the planet is

A

`3/4` times that on the surface of the earth

B

3 times that on the surface of the earth

C

`4/3` times that on the surface of the earth

D

6 times that on the surface of the earth

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Verified by Experts

The correct Answer is:
B
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AAKASH INSTITUTE-GRAVITATION -ASSIGNMENT SECTION - A (OBJECTIVE TYPE QUESTIONS)
  1. Two planets have same density but different radii The acceleration du...

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  2. If the radius of the earth shrinks by 1.5% ( mass remaining same) , th...

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  3. If the density of the planet is double that of the earth and the radiu...

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  4. At what height above the surface of earth the value of "g" decrease...

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  5. During motion of a man from a equator to pole of earth , its wei...

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  6. If earth suddenly stop rotating , then the weight of an object of m...

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  7. If R is the radius of the earth and g the acceleration due to gravity ...

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

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

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  10. As we go from the equator to the poles, the value of g

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  11. Determine the speed with which the earth would have to rotate on its a...

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  12. The accelearation due to gravity on a planet is 1.96 ms^(-2) if tit ...

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  13. An object is taken to height 2R above the surface of earth , the...

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  14. The change in the gravitational potential energy when a body of a mass...

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  15. A stationary object is released from a point P a distance 3R from the ...

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  16. Four particles A,B, C and D each of mass m are kept at the corners ...

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  17. If an object is projected vertically upwards with speed , half th...

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  18. The total mechanical energy of an object of mass m projected from s...

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  19. A body is thrown with a velocity equal to n times the escape velocity ...

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  20. The escape velocity of a body from earth is about 11.2 km/s. Assuming ...

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