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If the radius of the earth is 6400km, th...

If the radius of the earth is 6400km, the depth at which the acceleration due to gravity will be 5% less than the value on the surface of the earth is

A

320 km

B

2.0 km

C

480 km

D

500 km

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The correct Answer is:
A
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AAKASH SERIES-GRAVITATION-Practice Exercise
  1. If R is the radius of earth , the height ,at which the weight of a bod...

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  2. Find the depth at which g becomes 4% less than value at surface

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  3. If the radius of the earth is 6400km, the depth at which the accelerat...

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  4. A man weighs 60kg on the surface of the earth. The altitude where his ...

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  5. The acceleration due to gravity at the poles is 10ms^(-2) and equitori...

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  6. If .g. is acceleration due to gravity on the earth.s surface, then the...

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  7. The gravitational potential at centre of earth is

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  8. Two particles each of mass 1kg are seperated by a distance of 1m in a ...

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  9. The orbiting time .T. of a surface satellite is given by the relation

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  10. An earth satellite is revolving in a circular orbit of radius 7000km. ...

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  11. These orbital speed of satellite revolving very close to earth

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  12. The escape velocity of a body depends upon its mass .m. as

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  13. A satellite is revolving near the earth's surface, Its orbit velocity ...

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  14. An artificial satellite moving in a circular orbit around the earth ha...

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  15. The K.E. of a satellite is 2MJ. Its total energy is

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  16. The escape velocity of a projectile from the earth.s surface is given ...

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  17. The relation between the escape velocity ve and orbital velocity v0 is...

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  18. Two satellites are at heights h1, h2. The ratio of their orbital angul...

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  19. The KE of a satellite in its orbit around the earth is E. The KE of th...

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  20. For a satellite to attain escape velocity, the percentage increase in ...

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