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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
- what is the de-Broglie wavelength of the electron accelerated through a potential
- Two straight wires each 10cm long are parallel to one another and seperated by 2 cm.
- Bohr’s postulates quantizes
- A bullet emerges from a barrel of length 1.2 m with a speed of 640 ms⁻¹.
- A Carnot engine, having an efficiency of η=1/10 as heat engine, is used
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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