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Questions  

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 I1 and that due to the lower part is I2. What is the relation between them?

a
I1>I2
b
I1<I2
c
I1=I2
d
no definite relation

detailed solution

Correct option is C

At point P, we have I1I2=0 (because the gravitational field inside a shell is zero). Hence,I1=I2.

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