Question

What is the relationship between
the polarizing angle and the
critical angle? Two polaroids
A and B are in crossed position.
Unpolarised light of intensity
64 Wm
is incident on the
polaroid A. Calculate the intensity
of the transmitted light from the
combined polaroids by rotating
polaroid B by an angle of 30°.
​

Answer 1

Answer:

Polarizing angle is defined as an angle of incidence at which light with a particular polarization is perfectly transmitted through a transparent dielectric surface. In optics, the smallest angle of incidence that causes total internal reflection of light is known as Critical angle.

Explanation:

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Answer 2

Answer:

ATQ

ᴛᴀɴ 2A = ᴄᴏᴛ( A-18° )

=>ᴛᴀɴ 2A = ᴛᴀɴ [ 90-(A-18°)

=>2A = 90- A+18

=>2A+A = 108

=>3A = 108

=>A=108/3

=>A= 36

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