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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
- The value of Poisson’s ratio lies between
- Time period of oscillation of a magnet is 2 sec. When it is remagnetised
- Thomson coefficient of a conductor is 10 µV/K. Its two ends are kept
- Radii of curvature of a converging lens are in the rato 1:2. Its focal length
- A n-p-n transistor is connected in common emitter configuration in a given amplifier.
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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