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The polarising angle of glass is 57⁰. A ray of light which is incident at this angle will have an angle of refraction as
Options
(a) 43⁰
(b) 25⁰
(c) 38⁰
(d) 33⁰
Correct Answer:
33⁰
Explanation:
Given, θₚ = 57⁰
According to Brewster’s law, we have
θₚ + r = 90⁰ ⇒ r = 90⁰ – θₚ ⇒ r = 90⁰ – 57
Angle of refraction, r = 33⁰
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two bodies of mass 10 kg and 5 kg moving in concentric orbits of radius
- A thin ring of radius R meter has charge q coulomb uniformly spread on it
- A circuit area 0.01 m² is kept inside a magnetic field which is normal to its plane.
- The total radiant energy per unit area, normal to the direction of incidence
- A machine gun fires 10 bullets/s,each of mass 10 g,the speed of each bullet
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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