The distance between two coherent sources is 0.1 mm. The fringe-width on a screen 1.2 m away from the source is 6.0 mm. The wavelength of light used is The distance between two coherent sources is 0.1 mm. The fringe-width on a screen 1.2 m away from the source is 6.0 mm. The wavelength of light used is 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