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Figure shows variation of acceleration d...

Figure shows variation of acceleration due to gravity with distance from centre of a uniform spherical planet, Radius of planet is R. What is `r_(1) - r_(1)`

A

`(R)/(4)`

B

`(7R)/(4)`

C

`(4R)/(3)`

D

`2 R`

Text Solution

Verified by Experts

The correct Answer is:
B
Inside planet
`(9_(0))/(4)g_(0)(1-(d)/(R))rArr d=(3R)/(4)`
Outside planet
`g = g_(0)(R^(2))/((r+h)^(2))rArr h=R` .
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