Unpolarised light of intensity i is passed through a polaroid. what is the intensity of emerging polarised light?
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The Intensity of the Emerging Light can be calculated using Malus Law.
and It comes out to be
I' = I/2
and It comes out to be
I' = I/2
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1
The intensity of the polarised light which is emerging is .
Explanation:
We are given a certain amount of light incident on a polaroid whose intensity is considered as i.
Where 'i' is the nature of the light that is incident.
- It is basically unpolarized that is it contains both the positive and negative poles of light that is and are present in the incident light respectively.
- We are passing the light through a polaroid, hence we can be sure that only one pole shall emerge out.
- Hence, the intensity of the light that will come out will have an intensity .
To know more:
When an unpolarised light of intensity i is passed through a polaroid what us the intensity of the linearly polarizied light ? Does it depend on the orientation of the polaroid ?
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