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प्रश्न
A ray is incident on a plane mirror . Its reflected ray is perpandicular to the incident ray . Find the angle of incidence .
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उत्तर
Angle of incidence (i) + Angle of reflection(r) = 90o
But, as per the laws of reflection, i = r
Therefore, 2 i = 90o
Or, i = r = 45o
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संबंधित प्रश्न
If the angle between the mirror and the reflected ray is 23∘, what is the angle of incidence of the incidence ray?
State whether the following statement is true or false. If false, correct it.
The image in a plane mirror is situated in the mirror.
______ through which light cannot pass.
Materials which reflect the light well are called ______.
The image formed by a plane mirror is always as far behind the mirror as far the object lies in front of it.
Plane mirrors are used as looking glass, to reflect light on objects and in periscopes.
