When a parallel beam of monochromatic source of light of wavelength A 1s incident on a single slit of width a, show how the diffraction pattern is formed at the screen by the interference of the wavelets from the slit. Show that, besides the central maximum at 8=0, secondary maxima are observed at 6= and the minima at 8=nNa. n+ Why do secondary maxima get weaker in intensity with increasing n Explain.
When a parallel beam of monochromatic source of light of wavelength A 1s incident on a single slit of width a, show how the diffraction pattern is formed at the screen by the interference of the wavelets from the slit. Show that, besides the central maximum at 8=0, secondary maxima are observed at 6= and the minima at 8=nNa. n+ Why do secondary maxima get weaker in intensity with increasing n Explain.
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Transcribed Image Text:When a parallel beam of monochromatic source of light of wavelength A is
incident on a single slit of width a, show how the diffraction pattern is formed
at the screen by the interference of the wavelets from the slit.
Show that, besides the central maximum at 0=0, secondary maxima are
observed at e =
n +
and the minima at 8=n/a.
Why do secondary maxima get weaker in intensity with increasing n
Explain.
A)-
bada
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