If a light ray incident normally on one of the faces of the prism of refractive index 2 and the emergent ray just gazes the second face of the prism, then the angle of deviation is 1) 0°2) 30°3) 45°4) 60°
If a light ray incident normally on one of the faces of the prism of refractive index 2 and the emergent ray just gazes the second face of the prism, then the angle of deviation is
1) 0°
2) 30°
3) 45°
4) 60°