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A hollow spherical shell is compressed t...

A hollow spherical shell is compressed to half its radius. The gravitational potential at the centre

A

increases

B

decreases

C

remains same

D

during the compression increases then returns at the previous value

Text Solution

Verified by Experts

The correct Answer is:
B
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MOTION-GRAVITATION-Exercise - 1 (Objective Problems | Jee Main
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  2. A hollow spherical shell is compressed to half its radius. The gravita...

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  3. Two different masses are droped from same heights. When these just str...

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  4. A body of mass m rises to a height h=R//5 from the earth's surface whe...

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  5. A planet has mass 1/10 of that of earth, while radius is 1/3 that of e...

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  6. Statement - I : Assuming zero potential at infinity, gravitational pot...

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  7. A particle of mass M is at a distance a from surface of a thin spheric...

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  8. Work done in taking a body of mass m to a height nR above surface of e...

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  9. If the distance between sun and earth is made 3 times of the present v...

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  10. Two point masses of mass 4m and m respectively separated by d distance...

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

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  12. The height above surface of earth where the value of gravitational acc...

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  13. The decrease in the value of g on going to a height R/2 above the eart...

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  14. At what altitude will the acceleration due to gravity be 25% of that a...

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  15. If the radius of the earth be increased by a factor of 5, by what fact...

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  16. Potential energy of a 3kg body at the surface of a planet is -54 J, th...

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  17. If the kinetic energy of a satellite orbiting around the earth is doub...

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  18. The escape velocity from a planet is v(0). The escape velocity from a ...

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  19. Two planets A and B have the same material density. If the radius of A...

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  20. Select the correct choice(s) :

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