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How effective path in air is increased by (n-1)t n is refractive index of slab

How effective path in air is increased by (n-1)t n is refractive index of slab

Grade:12

1 Answers

Vikas TU
14149 Points
6 years ago
Dear Student,
powerful optical way length= nd 
powerful optical way distinction = n1d1-n2d2 
Here n1= refractive file of section = n 
n2= refractive file of air = 1 
d1=distance gone in air = t 
d2=distance gone in section = t 
powerful optical way difference= nt-t 
=(n-1)t .
Cheers!!
Regards,
Vikas (B. Tech. 4th year
Thapar University)

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