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Explain the refraction of light through a triangular glass prism using a labelled ray diagram. Hence define the angle of deviation.
 
Object - 110, 310.png
 
From the figure, Pick and Place the labels of the ray diagram:
Answer variants:
Angle of incidence
Angle of refraction
Angle of deviation
Incident ray
Angle of the prism
Emergent ray
Refracted ray
Angle of emergence
1. \(PE\) -
2. \(EF\) -
3. \(FS\) -
4. \(\angle A\) -
5. \(\angle i\) -
6. \(\angle r\) -
7. \(\angle e\) -
8. \(\angle D\) -
 
The angle between the  and the  is called angle of deviation.