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An unpolarised beam of intensity I is incident on a pair of nicols making an angle of 60° with each other. The intensity of light emerging from the pair is
Options
(a) I
(b) I / 2
(c) I / 4
(d) I / 8
Correct Answer:
I / 4
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The ratio of the numerical value of the average velocity and average speed
- If c is the velocity of light in free space, the time taken by light to travel
- A parallel plate capacitor with air between the plates has a capacitance of 9 pF.
- Two thin dielectric slabs of dielectric constants K₁ and K₂, (K₁ < K₂) are inserted
- A block is moving up an inclined plane of inclination 60° with velocity of 20 ms⁻¹
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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As we know
I=I0Cos2∅
I=I_o cos^2〖〖60〗^0 〗
I=I_o (1/4)