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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 range of voltmeter is 10V and its internal resistance is 50Ω.
- In a potentiometer experiment two cells of e.m.f. E₁ and E₂ are used in series
- Two poles of same strength attract each other with a force of magnitude F
- α- particles, β – particles and γ – rays are all having same energy.
- The ratio of radii of planets A and B is K₁ and ratio of accelerations
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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