what is meant by normal incidence?
Asked by Preethika .S.Nair | 29th Mar, 2013, 11:25: AM
When a ray of light is incident on a surface at an angle equal to 0 degrees with the normal drawn at the point of incidence, that is called normal incidence.
Aswered by | 29th Mar, 2013, 12:26: PM
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