Question 17 (Textile Engineering & Fibre Science)
The refractive indices of a filament in axial and radial directions are 1.58 and 1.52 respectively. The birefringence of the filament (correct up to 2 decimal places) is __0.06__.
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Given:
The refractive indices of a filament in axial direction(n
)=1.58
The refractive indices of a filament in axial direction(n
)=1.52
Formula:
The birefringence of the filament(n)=n-n
n=1.58-1.52
Birefringence(n)=0.06 (Answer)
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