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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 solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length
- We get Balmer series when electron comes from
- If a mass of 20g having charge 3.0 mC moving with velocity 20ms⁻¹ enters a region
- A motorcycle moving with a velocity 72 kmh⁻¹ on a flat road takes a turn
- A metal wire of circular cross-section has a resistance R₁. The wire is now stretched
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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