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Discuss the Fraunhofer diffraction at single slit and obtain the condition for minima.
written 5.3 years ago by gravatar for vermavarsha432 vermavarsha432 • 1000 modified 4.1 years ago by gravatar for sanketshingote sanketshingote • 100

In plane transmission grating the angle of diffraction for second order principal maxima for wavelength 5$\times$10$^{-5}$ cm is 35°. Calculate number of lines/cm on diffraction grating.
advanced engineering physics
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written 5.2 years ago by gravatar for vermavarsha432 vermavarsha432 • 1000

FRAUNHOFER DIFFRACTION AT SINGLE SLIT

1. Let us first consider a parallel beam of light incident normally on a slit AB of width 'a' which is of order of the wavelength of light.

2. A real image of diffraction pattern is formed on the screen with the help of converging …

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