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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: - If the pressure of gas is increased from 1.01×10⁵ Pa to 1.165×10⁵ Pa and volume
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the pressure of gas is increased from 1.01×10⁵ Pa to 1.165×10⁵ Pa and volume
- Two point charge +9e and +e are at 16 cm away from each other.
- The pressure at the bottom of a tank containing a liquid does not depend on
- Electrons used in an electron microscope are accelerated by a voltage of 25 kV
- Time period of oscillation of a magnet is 2 sec. When it is remagnetised
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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