Q: Two particles start together from a point O and slide down along straight smooth wires inclined at 30° and 60° to the vertical plane and on the same side of vertical through O. The relative acceleration of second with respect to first will be of magnitude

(a) $\displaystyle \frac{g}{2} $

(b) $ \displaystyle \frac{\sqrt3 g}{2} $

(c) $\displaystyle \frac{g}{\sqrt 3} $

(d) g

Ans: (a)