Question

If light had the ability to move in a curved path, which natural phenomenon, would you not be able to see
Explain an activity to show the rectilinear propogation of light,​

Answer 1

A mirror of length L moves horizontally as shown in the figure with a velocity v. The mirror is illuminated by a point source of light P placed on the ground. The rate at which the length of the light spot on the ground increase is

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