# A particle of mass m0 is placed at the centre of a fixed, uniform semicircular ring of radius R and mass m as shown in the figure. The work required to displace the particle from centre of the ring to infinity is

Q: A particle of mass m0 is placed at the centre of a fixed, uniform semicircular ring of radius R and mass m as shown in the figure. The work required to displace the particle from centre of the ring to infinity is

(a) $\frac{G m m_0}{2 R}$

(b) $\frac{G m m_0}{ R}$

(c) $\frac{G m m_0}{\sqrt{2} R}$

(d) $\frac{2 G m m_0}{2 R}$