Question

with the help of ray diagram state and explain the laws of reflection of light at a plane mirror mark angle of incidence and Reflection clearly in diagram if the angle of incidence is 32.5 Degree what will be angle of refraction.


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Answer 1

Answer:

First law of reflection: According to the first law of reflection, the incidence ray, the reflected ray and the normal (at the point of incidence), all lie in the same plane. For e.g., in the figure, the incident ray AO, the reflected ray OB and the normal ON, all lie in the same plane, the plane of paper.

Second law of reflection: According to the second law of reflection, the angle of reflection is always equal to the angle of incidence. For e.g., if we measure the angle of reflection NOB in the figure, we will find that it is exactly equal to the angle of incidence AON.

If the angle of reflection is 47.5o, the angle of incidence will also be 47.5o in accordance with the second law of reflection.