Consider ffaunhoffer diffraction pattern obtained with a single slit illuminated at normal incident. At the angular position of the first diffraction minimum the phase difference between the wavelets from the opposite edges of the slits is
A. \(\frac { π }{ 4 }\)
B. \(\frac { π }{ 2 }\)
C. 2π
D. π
Answer:C
Consider ffaunhoffer diffraction pattern obtained with a single slit illuminated at normal incident. At the angular position of the first diffraction minimum the phase difference between the wavelets from the opposite edges of the slits is
A. \(\frac { π }{ 4 }\) B. \(\frac { π }{ 2 }\) C. 2π D. π