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Arte-miy333 [17]
3 years ago
8

Plane-polarized light is incident on a single polarizing disk, withthe direction of E0 parallel to thedirection of the transmiss

ion axis. Through what angle should thedisk be rotated so that the intensity in the transmitted beam isreduced by a factor of each of the following?
(a) 2.20
(b) 5.20
(c) 12.0
Physics
1 answer:
Alenkinab [10]3 years ago
6 0

Answer;

Cos²စ= I/Io

So

A. Cos²စ = 1/2.2

Cosစ= √1/2.2

စ = cos^-1 0.68

= 47.2°

B.

Cosစ = √1/5.2

စ = ,cos^-1 0.4385

= 64°

C.

Cosစ = √1/12

စ = cos^-1 0.2886

= 73.2°

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