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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_(2) - r_(1)`

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
D
Inside the earth

`r lt R_(e), g. = g(1-(d)/(R_(e))) = g((R_(e) - d)/(R_(e)))`
`g. = (g)/(R_(e)) r`

For `r = R_(e) , g. = g`
For `r gt R_(e), g. = (GM)/(r^(2))`
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