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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: - To measure the roughness of the surface of a material, which of the following microscope
- The angle of incidence at which reflected light is totally polarised for refraction
- A thin semicircular conducting ring (PQR) of radius r is falling with its plane
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- A step-down transformer has 50 turns on secondary and 1000 turns on primary winding.
Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- To measure the roughness of the surface of a material, which of the following microscope
- The angle of incidence at which reflected light is totally polarised for refraction
- A thin semicircular conducting ring (PQR) of radius r is falling with its plane
- Two point white dots are 1 mm apart on a black paper.
- A step-down transformer has 50 turns on secondary and 1000 turns on primary winding.
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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