Gary

an equilateral prism of glass of refrqctive index 1.45 is immersed in water of refractive index 1.33 A narrow beam of light falls normally on one face of the prism. what is the angle of emergence????

taken from isc nootan physics

I have two questions

1. a ray of light is incident on a 60 degree prism of glass of refractive index 1.5 at an angle of 40 find the angle of emergence of the ray

2. the refracting angle of a glass prism of refractive index 1.45 is 60 degree at what angle should a light ray be incident at the first face of the prism so that it emerges at the second face just parallel to the face???

taken from isc nootan physics xii

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