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Question
What is the full form of ∠i and ∠ r? What is the relation between them?
What is the full form of ∠i and ∠ r? What is the relation between them?
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Solution
∠i = angle of incidence
∠r = angle of reflection
Angle of incidence is the angle between an incident ray and the normal. Angle of refraction is the angle between a refracted ray and the normal. Angle of incidence is equal to the angle of reflection.
∠i = angle of incidence
∠r = angle of reflection
Angle of incidence is the angle between an incident ray and the normal. Angle of refraction is the angle between a refracted ray and the normal. Angle of incidence is equal to the angle of reflection.
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