In Young's double slit experiment, $8^{\text {th }}$ maximum with wavelength ' $\lambda_1$ ' is at a…
In Young's double slit experiment, $8^{\text {th }}$ maximum with wavelength ' $\lambda_1$ ' is at a distance ' $\mathrm{d}_1$ ' from the central maximum and $6^{\text {th }}$ maximum with wavelength ' $\lambda_2$ ' is at a distance ' $\mathrm{d}_2$ '. Then $\frac{\mathrm{d}_2}{\mathrm{~d}_1}$ is