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Sahay Sir > Question Answers > MTG NEET Physics > Part 2 > Chapter 10 - Wave Optics > In Young’s double slit expt. the distance between two sources is 0.1 mm. The distance of the screen from the source is 20 cm. Wavelength of light used is 5460 A^o . The angular position of the first dark fringe is

In Young’s double slit expt. the distance between two sources is 0.1 mm. The distance of the screen from the source is 20 cm. Wavelength of light used is 5460 A^o . The angular position of the first dark fringe is

Two coherent monochromatic light beams of intensities 2I and 8I respectively are superposed. The maximum and minimum intensities in the resulting pattern are :