the distance between the slits in a young\'s experiment is 50times the wavelengt

Question

the distance between the slits in a young's experiment is 50times the wavelength of the monochromatic light source. Find theangle in radians at which the first bright occurs? 2) What is the distance between the first bright and thecentral (or zeroth) bright on the 2 m away from theslits?___m the distance between the slits in a young's experiment is 50times the wavelength of the monochromatic light source. Find theangle in radians at which the first bright occurs? 2) What is the distance between the first bright and thecentral (or zeroth) bright on the 2 m away from theslits?___m

Explanation / Answer

a) The condition for constructive interference is           d sin = m here m = 1 d = 50, so          50 sin = in radians          =sin-1 ( 1/50)             = 0.02 rad. The distance between the first bright band and the centralis       x = tan x D          = tan 0.02 x2m           =0.04m           =4cm

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