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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: - A uranium nucleus ₉₂ U ²³⁸ emits an α-particle and a β-particle in succession.
- Coherent sources are those sources for which
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A uranium nucleus ₉₂ U ²³⁸ emits an α-particle and a β-particle in succession.
- Coherent sources are those sources for which
- The magnetic field at the centre of a circular coil carrying current I ampere is B.
- Radius of a soap bubble is increased from R to 2R. Work done in this process
- The electric potential at the surface of an atomic nucleus (z=50) of radius
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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