8 A beam of light has a small wavelength spread 82 about a

Last updated: 6/25/2023

8 A beam of light has a small wavelength spread 82 about a central wavelength The beam travels in vacuum until it enters a glass plate at an angle 0 relative to the normal to the place as shown in figure The index of refraction of the glass is given by n The angular spread 80 of the refracted beam is given by a 80 1212862 c 80 tan0 dn n d 82 b 80 d 80 dn 2 d SA sin 082 sin A a 0 80 Vacuur Glass