Physics
(a) What is the angle of deviation?
(b) Copy the diagram given below and complete the path of the light ray till it emerges out of the prism. The critical angle of the glass is 42°. In your diagram, mark the angles wherever necessary.
Refraction Plane Surfaces
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Answer
(a) Angle of deviation is the angle between the direction of incident ray and the emergent ray. It is represented by the greek alphabet δ (delta).
(b) The completed ray diagram showing the complete path of the light ray till it emerges out of the prism is given below:
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