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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 body of mass 0.5 kg travels in a straight line with velocity v=a x³/², where
- A body of mass 2 kg is moved by a force F=3x where x is the distance covered.
- The current flowing through a lamp marked as 50 W and 250 V is
- A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series
- In the Young’s double slit experiment, a point P on the central bright fringe
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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