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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).
Related Questions: - A wire having resistance 12Ω is bent in the form of an equilateral triangle.
- The radius of gyration of a solid sphere of radius r about a certain axis is r
- If longitudinal strain for a wire is 0.03 and its poisson’s ratio is 0.5
- The kirchoff’s first law (∑i=0) and second law (∑iR=∑E), where the symbols
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A wire having resistance 12Ω is bent in the form of an equilateral triangle.
- The radius of gyration of a solid sphere of radius r about a certain axis is r
- If longitudinal strain for a wire is 0.03 and its poisson’s ratio is 0.5
- The kirchoff’s first law (∑i=0) and second law (∑iR=∑E), where the symbols
- A circular disc of radius R is removed from a bigger circular disc of radius 2R
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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