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Assertion : An astronaut in an orbiting ...

Assertion : An astronaut in an orbiting space station above the earth experience weightlessness.
Reason : An object moving around the earth under the infuence of earth's gravitational force is in a state of 'free fall'

A

Statement -1 is true, statement-2 is true and statement -2 is correct explanation for statement -1.

B

Statement -1 is true, statement -2 is true and statement -2 is correct explanation for statement -1.

C

Statement -1 is true, statement -2 is false.

D

Statement -1 is false, statement -2 is true.

Text Solution

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The correct Answer is:
A
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BANSAL-GRAVITATION-EXERCISE -4 Section - A
  1. A simple pendulam has time period T(1) when on the earth's surface and...

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  2. If W(1) W(2) and W(3) represent the work done in moving a particle fro...

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  3. A body is projected vartically upwards from the bottom of a crater of ...

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  4. A system of binary stars of mass m(A) and m(B) are moving in circular ...

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  5. A geostationary satellite orbits around the earth in a circular orbit ...

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  6. Column - I describes some situations in which a small object moves. Co...

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  7. A spherically symmetric gravitational system of particles has a mass d...

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  8. Assertion : An astronaut in an orbiting space station above the earth ...

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  9. A thin uniform disc (see figure) of mass M has outer radius 4R and in...

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  10. A binary star consists of two stars A(mass 2.2 Ms) and B (mass 11 Ms)...

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  11. Graviational acceleration on the surface of plane fo (sqrt6)/(11)g. wh...

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  12. A satellite is moving with a constant speed 'V' in a circular orbit ab...

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  13. Two spherical planets P and Q have the same uniform density rho, masse...

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  14. Two bodies, each of mass M, are kept fixed with a separation 2L. A par...

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  15. A planet of radius R=(1)/(10)xx(radius of Earth) has the same mass den...

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  16. A bullet is fired vertically upwards with a velocity upsilon from the ...

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