![Reference handbook for harmonized ITS CORE service deployment in Europe” - Strade & Autostrade Online Reference handbook for harmonized ITS CORE service deployment in Europe” - Strade & Autostrade Online](https://www.stradeeautostrade.it/wp-content/uploads/2021/06/sfondo-handbook.jpg)
Reference handbook for harmonized ITS CORE service deployment in Europe” - Strade & Autostrade Online
![The numerical aparture of an optical fibre is 0.39. If the difference in the refractive indices of the material of its core and the cladding is 0.05, calculate the refractive index of The numerical aparture of an optical fibre is 0.39. If the difference in the refractive indices of the material of its core and the cladding is 0.05, calculate the refractive index of](https://lh3.googleusercontent.com/-vIwl2hFkg9U/XtYKuzpnrHI/AAAAAAAAAsM/MLQB-tB3iEUshIE4Aw9C0eYxqnCW_5IhgCLcBGAsYHQ/w0/1591085744942371-0.png)
The numerical aparture of an optical fibre is 0.39. If the difference in the refractive indices of the material of its core and the cladding is 0.05, calculate the refractive index of
![Reference handbook for harmonized ITS CORE service deployment in Europe” - Strade & Autostrade Online Reference handbook for harmonized ITS CORE service deployment in Europe” - Strade & Autostrade Online](https://www.stradeeautostrade.it/wp-content/uploads/2021/06/1-handbook.jpg)