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Textbook Expert
Textbook ExpertVerified Tutor
23 Jan 2022

Given information

Unpolarised light of intensity   passes through six
successive Polaroid sheets each of whose axis makes a 35°
angle with the previous one.

Step-by-step explanation

Step 1.

After the first polariser, the intensity will be

 

Where,

is transmitted intensity

is incident intensity

Following this polariser, the intensities become proportional to the cosine square.

So for each polariser, we have

 

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