In two separate set-ups of YDSE, using light of same wavelength, fringes of equal width are observed. If ratio of slit separation in the two is 2:3, the ratio of the distance between source and screen in the two set-ups is fringes of equal width are observed. If ratio of slit separation in the two is 2:3 In two separate set-ups of YDSE the ratio of the distance between source and screen in the two set-ups is using light of same wavelength November 17, 2020 Category: Cengage NEET by C.P Singh , Chapter 16 - Wave Motion and Waves on a String , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related