Physics - Wave Optics Question with Solution | TestHub

When ${\mathrm{S}}_1$ and ${\mathrm{S}}_3$ are switched on simultaneously, intensity at point P can be $2{\mathrm{I}}_0$

When ${\mathrm{S}}_1$ and ${\mathrm{S}}_3$ are switched on simultaneously, intensity at point P can be 0

When all 3 sources are switched on simultaneously, intensity at point P can be ${\mathrm{I}}_0$

When all 3 sources are switched on simultaneously, intensity at point P can be $3{\mathrm{I}}_0$