# Question - Refraction of Light - Refraction Through a Rectangular Glass Slab

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ConceptRefraction of Light - Refraction Through a Rectangular Glass Slab

#### Question

After tracing the path of a ray of light passing through a rectangular glass slab for four different values of the angle of incidence, a student reported his observations in tabular form as given below:

 S.No ∠ i ∠ r ∠ e I 30° 19° 29° II 40° 28° 40° III 50° 36° 50° IV 60° 40° 59°

The best observation is

(A) I

(B) II

(C) III

(D) IV

#### Solution

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