Ts Eamcet
Wave Optics
TS EAMCET 2022 (Online) 19th July Evening Shift
MCQ+1 / -02022
In a double slit experiment performed in air, the angular width of a fringe is found to be $0.15^{\circ}$ on a screen placed 80 cm away. The wavelength of light is used 490 nm . The angular width of the fringe, if the entire apparatus is immersed in a medium of refractive index $\frac{5}{3}$ is