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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
20 Nov 2021

Given information

Given Data :
 
Wavelength of light  
 
Refractive index of plastic  
 
The (minimum) thickness of the plastic   
 

 

Step-by-step explanation

Step 1.
 
The number of wavelengths is given by :
 
 
 
 
 
 

 

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