Q4:The change of refractive indextransparent materials such as glass can be given by relationshipwith wavelength in(Cauchy equation) n = A + B. As the (A,B) are constants andwavelength in a vacuum o. Find the group velocity at ho%3D500 nm and for a specific type of glass it has (A=1.5,B = 3x 104 (nm)²).

The redfractive index is given by the Cauchy's relation,n=A+Bλ0-2A=1.5 , B=3×104 nm2λ0=500 nmThe…

index with wavelength in Q4:The change of transparent materials such as glass can be given by relationship refractive -2 (Cauchy equation) n = A + B1. As the (A,B) are constants and wavelength in a vacuum Ao. Find the group velocity at 2o %D 500 nm and for a specific type of glass it has (A=1.5, B = 3x 104 (nm)²).

index with wavelength in Q4:The change of transparent materials such as glass can be given by relationship refractive -2 (Cauchy equation) n = A + B1. As the (A,B) are constants and wavelength in a vacuum Ao. Find the group velocity at 2o %D 500 nm and for a specific type of glass it has (A=1.5, B = 3x 104 (nm)²).