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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 16 - Wave Motion and Waves on a String > In a YDSE, λ=4000Å, fringes observed have a width β. The light illuminating the set-up now has λ=6000Å and the separation between the interfering sources is halved. What is the ratio of the distance between the screen and the interfering sources before and now if the fringe and now if the fringe width remains unaltered

In a YDSE, λ=4000Å, fringes observed have a width β. The light illuminating the set-up now has λ=6000Å and the separation between the interfering sources is halved. What is the ratio of the distance between the screen and the interfering sources before and now if the fringe and now if the fringe width remains unaltered

glass and water decreases in the following order In a YDSE The velocity of light in diamond λ=4000Å