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An unpolarised beam of intensity I₀ falls on a polaroid. The intensity of the emergent light is
Options
(a) I₀/4
(b) zero
(c) I₀/2
(d) I₀
Correct Answer:
I₀/2
Explanation:
When unpolarised beam of light of intensity I₀ passes through a polaroid, the intensity of the emergent light is (I₀ / 2).
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The magnetic field due to a current carrying circular loop of radius 3 cm at a point
- The apparent weight of the body of mass 10 kg when it is travelling upwards with
- A 0.01 H inductor and √3 πΩ resistance are connected in series
- The r.m.s speed of the molecules of a gas in a vessel is 400 m/s
- A solid body rotates about a stationary axis, so that its angular velocity
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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