Consider a Young's double slit experiment as shown in figure. What should be the slit separation d in terms of wavelength λ such that the first minima occurs directly in front of the slit (S1)? [Main 10 Jan 2019 II]
(a) 2(5−2)λ
(b) (5−2)λ
(c) 2(5−2)λ
(d) (5−2)λ