Ray of light falls on plane mirror at an angle of 60° from the mirror. The angle of deviation will be
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According to the law of reflection, the angle of incidence and angle of reflection are equal. Both these angles are measured with respect to a line normal to the reflection surface. If I understand the question correctly, the incident ray makes an angle of 60 degrees with the mirror surface, then the angle of incidence can be calculated as:
Angle of incidence = 90 - angle made with the mirror surface
= 90 - 60 = 30 degrees.
Since, angle of incidence = angle of reflection = 30 degrees.
The incident ray will have an angle of reflection of 30 degrees (made with a surface normal to the mirror surface).
The reflected ray will make an angle of 60 degrees (90 - 30 degrees) with the mirror surface.
Hope this helps.
Thanu03:
The deviation produced is 180- 2i= 180-120=60
yes
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Answer:
The Angle of incidence: 90-angle made with the mirror surface
= 90-60=30 degrees
Since, angle of incidence = angle of reflection = 30 degrees
The incident ray will have an angle of reflection of 30 degrees ( made with a surface normal to the mirror surface )
Hope it helps you
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