Physics
When a ray of light travel from glass to air, then deviation of ray is
- i - r
- zero
- r - i
- 90°
Refraction Plane Surfaces
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Answer
r - i
Reason — When a ray of light travels from a denser medium (glass) to a rarer medium (air), then it bends away from the normal, hence, angle of refraction is more than the incident angle. Therefore, deviation of ray is r - i.
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