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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 charged particle enters a uniform magnetic field with a certain speed at right angles
- Heat produced in a resistance according to which law?
- Which of the following is not a transverse wave?
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A charged particle enters a uniform magnetic field with a certain speed at right angles
- Heat produced in a resistance according to which law?
- Which of the following is not a transverse wave?
- The magnetic field at the centre of a circular coil carrying current I ampere is B.
- A source of sound and a detector are moving along the same line with same speed
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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