Diffraction Grating -Wavelength determination-Virtual Lab (Amrita Lab) in Tamil

Calculation of wavelength of colors by Normal Incidence Method Determination of number of lines in grating Grating Experiment Virtual Lab link https://vlab.amrita.edu/?sub=1&brch=281&sim=334&cnt=4 Angle of prism https://youtu.be/Z6IawTu2G3E