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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 coil of 40 henry inductance is connected in series with a resistance of 8 ohm
- A dip needle vibrates in a vertical plane perpendicular to magnetic meridian. The time
- If potential(in volts) in a region is expressed as V(x,y,z) = 6xy – y + 2yz,
- The coefficient of performance of a Carnot refrigerator working between 30⁰C and 0⁰C is
- A string in musical instrument is 50 cm long and its fundamental frequency is 800 Hz.
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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