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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 particle of mass ‘m’ is kept at rest at a height 3R from the surface of earth
- The ratio of volumes of nuclei (assumed to be in spherical shape) with respective
- A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds.
- Photons of 5.5 eV energy fall on the surface of the metal emitting photoelectrons
- A particle of mass m is projected with a velocity v making an angle of 45°
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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