Two mirrors meet at right angles. A ray of light is incident on one at an angle of as shown in Figure.The given ray of light will reflect from the second mirror at an angle ____ degree.

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Detailed Solution

Concept- The given ray of light will reflect from the second mirror at an angle 60 degree. We have plane mirrors, and we are aware that light reflects off the plane mirror's surface. The angle of incidence, the angle of reflection, and the normal all lie at the same plane, according to the second law of reflection.
Full Step-by-Step response: We now apply the law of reflection to the problem in order to solve it. The light ray makes an angle of

circumference at its point of incidence, according to the law of reflection, which states that the angle of incidence and the angle of reflection are equal.When we stretch the normal at

to extend and touch the normal at

, we would create a triangle using the angle sum property. The angle works out to 60 rounded up.
Question Image

Thus, it can be observed that the given ray of light will reflect from the second mirror at an angle

Hence, the correct answer is

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