A wire of length L and mass M is bent in the form of a semicircle of radius r. The gravitational field intensity at the centre of semicircle is:

Q: A wire of length L and mass M is bent in the form of a semicircle of radius r. The gravitational field intensity at the centre of semicircle is:

Numerical

(a) $\frac{\pi G M}{L}$ along X-axis

(b) $\frac{\pi G M}{L}$ along Y-axis

(c) $\frac{2 \pi G M}{L^2}$ along X-axis

(d) $\frac{2 \pi G M}{L^2}$ along Y-axis

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Ans: (d)