13. A frictionless rod ABC and a particle P of mass m are lying on a frictionless horizontal floor as shown in top view of the situation. The portion AB of the rod is bent to form a quarter of a circle. The rod is suddenly made to move with a constant velocity v towards the right along portion BC. What is the work done by the rod on the particle till it leaves the rod? В C (а) 0.5ту? (b) ту? (c) 2mv² (d) None of these.

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Applications Of Reflection Of Light

When a light ray (termed as the incident ray) hits a surface and bounces back (forms a reflected ray), the process of reflection of light has taken place.

Sign Convention for Mirrors

A mirror is made of glass that is coated with a metal amalgam on one side due to which the light ray incident on the surface undergoes reflection and not refraction.