III. SHORT ANSWER QUESTIONS
what is an incident and reflected ray?
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Incident ray - A ray of light falling on the surface separating two mediums is the incident ray. Refracted ray - A ray of light traveling in another medium, with change in direction is the refracted ray. Angle of incidence - The angle which the incident ray makes with the normal is called angle of incidence
A ray of light or another form of radiant energy that is thrown back from a nonpermeable or nonabsorbing surface is called reflected ray. The ray of light that bounces back from the surface of reflection is called the reflected ray.
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