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A particle falls on earth : (i) from i...

A particle falls on earth :
(i) from infinity. (ii) from a height 10 times the radius of earth. The ratio of the velocities gained on reaching at the earth's surface is :

A

`sqrt(11) : sqrt(10)`

B

`sqrt(10) : sqrt(11)`

C

`10 : 11`

D

`11 : 10`

Text Solution

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The correct Answer is:
A
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