Using a diffraction grating as a example, demonstrate that the frequency difference of two maxima
Channel: Doubtnut
Date: 2021-11-11

Using a diffraction grating as a example, demonstrate that the frequency difference of two maxima resolved according to Rayleigh's criterion is equal to the reciprocal of the difference of propagation times of the exterme interfering oscillations, i.e. `delta v = 1//delta t`.