A ray of light is incident on a galss slab making on angle of ` 30^(@)` with the surface . If the angle of refraction in glass is ` 33^(@)`, the angle

A ray of light is incident on a galss slab making on angle of ` 30^(@)` with the surface . If the angle of refraction in glass is ` 33^(@)`, the angle of deviation of the ray during its passage through the galss slab is
A. `30^(@)`
B. `27^(@)`
C. `40^(@)`
D. `20^(@)`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - B
`r=33^(@), i=60^(@) " " :. delta=60^(@)-33^(@)=27^(@)`

5 views Answered 2023-02-05 15:29

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