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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
- A sound source is moving towards a stationary listener with 1/10th of the speed
- In a parallel plate capacitor of capacitance C, a metal sheet is inserted
- Let A = i Acosθ +j B sinθ be any vector.Another vector B which is normal to A is
- In an AC generator, a coil with N turns, all of the same area A and total resistance R,
- In the phenomenon of electric discharge through gases at low pressure,
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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