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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 uniform electric field and uniform magnetic field are acting along the same
- A small signal voltage V(t)=V₀ sin ωt is applied across an ideal capacitor C
- If force(F), Velocity(V) and time(T) are taken as fundamental units, then the dimensions
- For inelastic collision between two spherical rigid bodies
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A uniform electric field and uniform magnetic field are acting along the same
- A small signal voltage V(t)=V₀ sin ωt is applied across an ideal capacitor C
- If force(F), Velocity(V) and time(T) are taken as fundamental units, then the dimensions
- For inelastic collision between two spherical rigid bodies
- Photons with energy 5eV are incident on a cathode C in a photoelectric cell.
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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