science
Grade6
Easy
Question
An incident ray goes along the reflecting surface. The angle of reflection is ____ degrees.
Hint:
Recall the first law of reflection.
The correct answer is: 90
When the angle along the reflecting surface , the incident ray is perpendicular to the reflecting surface. We know by the first law of reflection that angle of incidence is equal to angle of reflection . Here, the angle of incidence is 90 degrees so the angle of reflection will also be 90 degrees.
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