Ans1.https://akhandduttaengineering.blogspot.com/2020/06/determine-numerical-aperture-of-step.html
Ans2.https://akhandduttaengineering.blogspot.com/2020/06/an-optical-fibre-has-fibre-index-136.html
Ans3.https://akhandduttaengineering.blogspot.com/2020/06/a-silica-glass-optical-fiber-has-core.html
Ans4.https://akhandduttaengineering.blogspot.com/2020/06/calculate-numerical-aperture-acceptance.html
Ans5.https://akhandduttaengineering.blogspot.com/2020/06/if-fractional-difference-between-core.html
Ans6.https://akhandduttaengineering.blogspot.com/2020/06/a-step-index-fiber-has-core-refractive.html
Ans7.https://akhandduttaengineering.blogspot.com/2020/06/the-refractive-indices-of-core-and.html
Ans8.https://akhandduttaengineering.blogspot.com/2020/06/the-numerical-aparture-of-optical-fibre.html
Ans9.https://akhandduttaengineering.blogspot.com/2020/06/calculate-refractive-indices-of-core.html
Ans10.https://akhandduttaengineering.blogspot.com/2020/06/the-refractive-index-of-core-of-step.html