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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
- A 2 kg mass starts from rest on an inclined smooth surface with inclination
- What will be the ratio of the distance moved by a freely falling body from rest in 4th
- A body is moving with velocity 30 m/s towards east. After 10 seconds its velocity
- A particle of mass ‘m’ is kept at rest at a height 3R from the surface of earth
- A round disc of moment of inertia i₂ about its axis perpendicular to its plane
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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