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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).
Related Questions: - The de-Broglie wavelength of neutron in thermal equilibrium at temperature T is
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The de-Broglie wavelength of neutron in thermal equilibrium at temperature T is
- A sound absorber attenuates the sound level by 20 dB. The intensity decreases
- A rectangular copper coil is placed in a uniform magnetic field of induction 40 mT
- A body cools in 7 minute from 60⁰C to 40⁰C. What time, in minute does it take to cool
- Two wires of the same dimensions but resistivities p1 and p2 are connected in series
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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