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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
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The device can act as a complete electronic circuit is
- Two cars A and B moving with same speed of 45 km/hr along same direction.
- A DC ammeter has resistance 0.1Ω and its current ranges 0-100A. If the range
- Current in a coil changes from 4 A to zero in 0.1 second and the emf induced is 100V
- A particle of mass m oscillates along x-axis according to equation x = a sin ?t
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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