MCQ
Consider a Young’s double slit experiment as shown in figure. What should be the slit separation $d$ in terms of wavelength $\lambda $ such that the first minima occurs directly in front of the slit $(S_1)$?


- ✓$\frac{\lambda }{{2\left( {\sqrt 5 - 2} \right)}}$
- B$\frac{\lambda }{{\left( {\sqrt 5 - 2} \right)}}$
- C$\frac{\lambda }{{2\left( {5 - \sqrt 2 } \right)}}$
- D$\frac{\lambda }{{\left( {5 - \sqrt 2 } \right)}}$

