Question

the reflecting surface of two mirror makes an angle of 90degree with each other if a ray incidence is 30degree what will be the angle of reflection

Answer 1

Answer:

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Explanation:

The angle between the mirror and the incident ray is 30 degrees. The sum of the angle of incidence and this angle (30) makes a right angle. So, the angle of incidence is 90 - 30 = 60 degrees. As the angle of incidence and the angle of reflection are equal, both angles equal 60 degrees.

Answer 2

In every case angle of incidence is equal to angle of reflection. So in this case also angle of reflection is 30°.