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A glass slab consists of thin uniform layers of progressively decreasing refractive indices refractive index such that the refractive index of any layer is μ-m∆μ. Here μ and ∆μ denote the refractive index of 0th layer and the difference in refractive index between any two consecutive layers, respectively. The integer m=0,1,2,3,…… denotes the numbers of the successive layers. A ray of light from the 0th layer enters the 1st layer at an angle of incidence of 30⁰. After undergoing the mth refraction, the r
Options
(a) 20
(b) 30
(c) 40
(d) 50
Correct Answer:
50
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The temperature coefficient of a resistance wire is 0.00125 per degree.
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- α- particles, β – particles and γ – rays are all having same energy.
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Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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