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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
- At 0⁰C, 15 gm of ice melts to form water at 0⁰C. The change in entropy is
- A charged particle (charge q) is moving in a circle of radius R with uniform speed v
- The unit of surface tension is
- The threshold wavelength for photoelectric effect of a metal is 6500 Å. The work function
- An object is attached to the bottom of a light vertical spring and set vibrating.
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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