Question:
At two points $\mathrm{P}$ and $\mathrm{Q}$ on screen in Young's double slit experiment, waves from slits $\mathrm{S}_{1}$ and $\mathrm{S}_{2}$ have a path difference of 0 and $\frac{\lambda}{4}$ respectively. the ratio of intensities at $P$ and $Q$ will be :
(A)
(B)
(C)
(D)
Correct Option: , 2
Solution: