1.

13.A small coin is resting on the bottom of a beaker filled with a liquid A Ray of light from the queen travel up to the surface of the liquid and moves along its surface. How fast is the light travelling in the liquid?

Answer» 13.A small coin is resting on the bottom of a beaker filled with a liquid A Ray of light from the queen travel up to the surface of the liquid and moves along its surface. How fast is the light travelling in the liquid?


Discussion

No Comment Found