Q In Young's double slit experiment , separation between two coherent sources is 0 90 mm and fringes are - Physics - Electromagnetic Waves

Question

Q In Young's double slit experiment , separation between two
coherent sources is 0 90 mm and fringes are formed at a distance 1
m from the slits If the second dark fringe is formed at a distance
1mm from the central band, then determine the wavelength of the
monochromatic light used

Shobhit Mittal · Accepted Answer

Dear Student,

d=0 9 mm, D=1m, y=1+1=2 mmy=3Dλ2d0
002=3*1*λ2*0 0009λ=1200 nm  Regards

Q. In Young's double slit experiment , separation between two coherent sources is 0.90 mm and fringes are formed at a distance 1 m from the slits . If the second dark fringe is formed at a distance 1mm from the central band, then determine the wavelength of the monochromatic light used.