- #1
Rahulrj
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Homework Statement
A vertically polarized light of intensity ##I_0## is incident on a polarizer whose axis makes an angle ##\theta## to the vertical. The light then passes through another polarizer whose axis make 60 seg to that of the first one. The net intensity of the output light in relation to incident intensity is
a) ##I_0 \cos^2\theta##
b) ##2I_0 \cos^2\theta##
c) ##3/2I_0 \cos^2\theta##
d) 0
Homework Equations
##I =I_0 \cos^2\theta##
The Attempt at a Solution
This was supposed to be an easy one but I don't get any of the answers given in the options and I am totally confused about where I made the mistake. so this is how I did:
through the first polarizer ##I_1 = I_0 \cos^2\theta##
through the second one ##I_2 = I_0 \cos^2\theta \cos^2(60)## the question says the axis of the second one is at 60 deg to that of first one hence the light coming from the first must also make an angle at 60 right?