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Question

A beam of parallel rays is incident on a transparent slab of refractive index 3 making an angle 30 with the surface of the slab. If the width of incident beam of light is 1.732 mm, the width of refracted beam is:
  1. 1.00 mm
  2. 2.50 mm
  3. 1.50mm
  4. 3.00 mm

A
1.50mm
B
2.50 mm
C
1.00 mm
D
3.00 mm
Solution
Verified by Toppr

Using μ1sini=μ2sin r
1×sin60=3 sin r

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