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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
- A parallel plate capacitor with air between the plates has a capacitance of 9 pF.
- Two sound waves of wavelengths 5m and 6m formed 30 beats in 3 seconds
- A circular disc X of radius R is made from an iron plate of thickness t and another disc
- If λ₁ and λ₂ are the wavelengths of the first members of the Lyman and Paschen
- A galvanometer has a coil of resistance 100 ohm and gives a full-scale deflection
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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