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Solution - Refraction of Light - Refraction Through a Rectangular Glass Slab

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ConceptRefraction of Light - Refraction Through a Rectangular Glass Slab  

Question

A ray of light strikes the glass slab at an angle of 50°. What is the angle of incidence?

  1. 50°
  2. 25°
  3. 40°
  4. 100°

Solution

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In your laboratory you trace the path of light rays through a glass slab for different values of angle of incidence (∠i) and in each case measure the values of the corresponding angle of refraction (∠r) and angle of emergence (∠e). On the basis of your observations your correct conclusion is:

(a) ∠i is more than ∠r, but nearly equal to ∠e

(b) ∠i is less then ∠r, but nearly equal to ∠e

(c) ∠i is more than ∠e, but nearly equal to ∠r

(d) ∠i is less than ∠e, but nearly equal to ∠r

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(A) I

(B) II

(C) III

(D) IV

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Solution for concept: Refraction of Light - Refraction Through a Rectangular Glass Slab. For the course 9th - 10th SSC (English Medium)
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