A polaroid is placed at `45^(@)` to an incoming light of intensity `l_(0)` Now, the intensity of light passing through polaroid after polarisation wou

Question

A polaroid is placed at `45^(@)` to an incoming light of intensity `l_(0)` Now, the intensity of light passing through polaroid after polarisation wou

A polaroid is placed at `45^(@)` to an incoming light of intensity `l_(0)` Now, the intensity of light passing through polaroid after polarisation would be
A. `l_(0)`
B. `l_(0)//2`
C. `l_(0)//4`
D. zero

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`I=I_(0) cos^(2) theta=I_(0) cos^(2)45^(@)=I_(0)/2`

4 views Answered 2023-02-05 15:29