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A spherical shell is cut into two pieces...

A spherical shell is cut into two pieces along a chord as shown in the figure. `P` is a point on the plane of the chord. The gravitational field at `P` due to the upper part is `I_(1)`, and that due to the lower part is `I_(2)`. What is the relation between them?

Text Solution

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The correct Answer is:
C
At the point P, We have `l_(1)-l_(2)=0` (because the gravitational field inside a shell is zero).
Hence, `l_(1)=l_(2)`
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