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If the radius of earth were to decrease ...

If the radius of earth were to decrease by 1%, its mass remaining the same, the acceleration due to gravity on the surface of the earth will

A

increase by 2%

B

decrease by 1.5%

C

increase by 1%

D

decrease by 1%

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The correct Answer is:
A
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ALLEN-GRAVITATION-EXERCISE 1
  1. Will 1 kg sugar be more at poles or at the equator?

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  2. When you move from equator to pole, the value of acceleration due to g...

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  3. If the radius of earth were to decrease by 1%, its mass remaining the ...

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  4. Weight of a body of mass m decreases by 1% when it is raised to height...

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  5. Acceleration due to gravity at earth's surface if 'g' m//s^(2). Find t...

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  6. The mass of moon is 1% of mass of the earth. The ratio of gravitationa...

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  7. Imagine a new planet having the same density as that of the earth but ...

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

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  9. If the speed of rotation of earth about its axis increases, then the w...

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  10. A body weighs W at the surface of the earth. Its weight at a height eq...

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  11. The imaginary angular velocity of the earth for which the effective ac...

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  12. A particle falls on earth : (i) from infinity. (ii) from a height 10...

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

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  14. By which curve will be variation of gravitational potential of a hollo...

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  15. Gravitational potential difference between surface of a planet and a p...

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  16. If M(e) is the mass of earth and M(m) is the mass of moon (M(e)=81 M(m...

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  17. The gravitational potential energy is maximum at :

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  18. A missile is launched with a velocity less than the escape velocity. T...

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  19. A body attains a height equal to the radius of the earth. The velocity...

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  20. The gravitational potential energy of a body at a distance r from the ...

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