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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
- Following figures show the arrangement of bar magnets in different configurations
- An objective moves ,starting from rest through a resistive medium
- The induced emf in a coil of 10 H inductance in which current varies
- A beam of light of wavelength 600 nm from a distant source falls
- The ratio of the weight of a man in a stationary lift and when it is moving downwards
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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