Ts Eamcet
Wave Optics
TS EAMCET 2022 (Online) 18th July Evening Shift
MCQ+1 / -02022
The angular width of a fringe in a double slit experiment is found to be $0.2^{\circ}$ on a screen 1 m away the wavelength of light used is 600 nm . The change in angular width of the fringe, if the entire measurement system is immersed in water is [use refractive index of water as $4 / 3$ ]