Consider three polarizers P1,P2 and P3placed along an axis as shown in the figureThe pass axis of P1and P3are at right angles to each other while the pass axis of P2makes an angle andtheta;with that of P1. A beam of unpolarized light of intensity l0 is incident on P1as shown . The intensity of light emerging from P3isa)0b)c)d)Correct answer is option 'C'. Can you explain this answer?

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Consider three polarizers P₁ ,P₂ and P₃ placed along an axis as shown in the figure

The pass axis of P₁ and P₃ are at right angles to each other while the pass axis of P₂ makes an angle θ with that of P₁ . A beam of unpolarized light of intensity l₀ is incident on P₁ as shown . The intensity of light emerging from P₃ is

a)
0
b)
c)
d)

Correct answer is option 'C'. Can you explain this answer?

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Consider three polarizers P1,P2 and P3placed along an axis as shown in...

According to malus law the transmitted light intensity is proportional to the square of cosine of angle between polarizer and analyzer.

when light say passing through P₁ the angle is q = 0° so

.....(A)
when this polarized light passing through P2 which makes an angle q with P₁ and P₂ so

....(B)
Now P₁ and P₃ are 1 to each other so according to malus law the transmitted intensity

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Consider three polarizers P1,P2 and P3placed along an axis as shown in the figureThe pass axis of P1and P3are at right angles to each other while the pass axis of P2makes an angle θwith that of P1. A beam of unpolarized light of intensity l0 is incident on P1as shown . The intensity of light emerging from P3isa)0b)c)d)Correct answer is option 'C'. Can you explain this answer?

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