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A point P is lying at a distance r (< a) from the centre of shell of radius a. If E and V be the gravitational field and potential at the point P then E = ? |
E = 0 $E=-\frac{GM}{r^2}$ v = 0 $V=-\frac{GM}{a}$ |
E = 0 |
The field inside the shell is zero. |
