If $\mathrm{I}_0$ is the intensity of the principal maximum in the single slit diffraction pattern, then what will be its intensity when the slit width is doubled? (1) $2\mathrm{I}_0$ (2) $4I_0$ (3) $I_0$ (4) $I_0/2$
If $\mathrm{I}_0$ is the intensity of the principal maximum in the single slit diffraction pattern, then what will be its intensity when the slit width is doubled?\\
(1) $2\mathrm{I}_0$\\
(2) $4I_0$\\
(3) $I_0$\\
(4) $I_0/2$