Ts Eamcet
Wave Optics
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ+1 / -02023
In a single slit diffraction, the slit is illuminated with light of wavelength $6000 \mathop {\rm{A}}\limits^{\rm{o}}$. If the slit were illuminated by a light of wavelength $\lambda$ the angular width of the central maximum decreases by $30 \%$. Then $\lambda$ is