Ap Eapcet
Wave Optics
AP EAPCET 2025 - 22nd May Evening Shift
MCQ+1 / -02025
In Young's double slit experiment, the wavelength of monochromatic light is increased by $20 \%$ and the distance between the two slits is decreased by $25 \%$. If the initial fringe width is 0.3 mm , then the final fringe width is