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Question
Define the following term
Angle of incidence
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Solution
Angle of incidence: The angle formed between the incident ray PO and the normal ‘ON’ is angle of incidence.
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Explain the following terms:
Incident ray, Reflected ray, Angle of incidence, Angle of reflection, Normal.
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Define the following term
Normal
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Surfaces on which the angle of incidence is equal to the angle of reflection is/are
A small hole P is made in a piece of cardboard. The hole is illuminated by a torch as shown in the following figure. The pencil of light coming out of the hole falls on a mirror.
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Diffused reflection gives a sharp image.
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