CBSE Class 12-science Answered
state law of malus and draw an intensity v/s angle bt the plane of transmission of analyser and polarizer
Asked by dixit0628 | 14 Feb, 2018, 10:15: AM
Expert Answer
Law of Malus:-
If light is passing through two polaroids P1 and P2 and θ is the angle made by P2 with pass-axis of P1, then intensity of the light that comes out of P2 is given as I = I0cos2θ where I0 is the incident light intensity at P1.
Table for Intensity ratio for different angle θ
θ(degrees) I/I0 = cos2θ
-----------------------------------
0 1
30 0.75
45 0.5
60 0.25
90 0
The plot is given below
Answered by Thiyagarajan K | 14 Feb, 2018, 11:56: AM
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