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°

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Arun · Answer

Dear student if we make diagram, we see that if angle of deviation is x then sin (90 - x) = ½ 90 – x = 30 x = 60 degree

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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°

1 Answers

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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°

1 Answers

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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°