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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 self-inductance of a coil having 500 turns is 50mH. The magnetic flux
- A monoatomic gas at a pressure P, having a volume V expands isothermally
- The material suitable for making electromagnets should have
- Three capacitors 3μF,6μF and 6μF are connected in series to a source of 120V.
- Let A = i Acosθ +j B sinθ be any vector.Another vector B which is normal to A is
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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