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Problem

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24 Nov 2021

Given information

 If the wedge between the glass plates of is filled with some transparent substance other than air— say, water, water—the pattern shifts because the wavelength of the light changes. In a material  where the index of refraction is n, the wavelength  where  is the wavelength in vacuum.

Thickness of film is given

 

 

 

Step-by-step explanation

Step 1.

In this problem thin wedge is filled with water than the wavelength will be

   ....(1)

substitue values of and n in equation (1)

 

 

 

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