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Statement-1 : Two soild sphere of radius...

Statement-1 : Two soild sphere of radius `r` and `2r`, made of same material, are kept in contact. The mutual grvitational force to attraction between them is proportional to `1//r^(4)`.
Statement-2 : Gravitational attraction between two point mass bodies varies inversely as the square of the distance between them.

A

Assertion is True, Reason is True, Reason is a correct explanation for Assertion

B

Assertion is True, Reason is True, Reason is no a correct explanation for Assertion

C

Assertion is True, Reason is False

D

Assertion is False but Reason is True

Text Solution

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The correct Answer is:
D
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TARGET PUBLICATION-GRAVITATION-EVALUATION TEST
  1. Statement-1 : Two soild sphere of radius r and 2r, made of same materi...

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  2. Two masses m(1) and m(2)(m(1)ltm(2)) are released from rest finite dis...

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  3. The mass of the earth is 81 times the mass of the Moon and the distanc...

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  4. A mass M is broken into two parts of masses m(1) and m(2). How are m(1...

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  5. Suppose the gravitational force varies inversely as the n^(th) power o...

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  6. A spherical shell is cut into two pieces along a chord as shown in the...

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  7. Some aliens living beneath the surface of the earth want to send a par...

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  8. Distance between the centres of two stars is 10alpha. The masses of th...

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  9. For many planets revolving around the stationary sun in circular orbit...

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  10. Let omega be the angular velocity of the earth's rotation about its ax...

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  11. Suppose universal gravitational constant starts to decrease, then

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  12. A satellite of mass m is orbiting the earth in a circular orbit of rad...

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  13. Two equal masses each in are hung from a balance whose scale pans diff...

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  14. A tunnel is dug along a chord of the earth at a perpendicular distance...

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  15. A particle of mass m is subjected to an attractive central force of ma...

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  16. The percentage change in the acceleration of the earth towards the Sun...

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  17. The escape velocity for a body projected vertically upwards from the s...

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  18. For a particle projected in a transverse direction from a height h abo...

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  19. A particle is dropped on Earth from height R (radius of earth) and it ...

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  20. A uniform spherical planet · (Radius R) has acceleration due to gravit...

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  21. A comet is moving around the earth in.highly elliptical orbit. Identif...

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