Mht Cet
Wave Optics
MHT CET 2021 21th September Evening Shift
MCQ+1 / -02021
Two coherent sources 'P' and 'Q' produce interference at point 'A' on the screen, where there is a dark band which is formed between 4th and 5th bright band. Wavelength of light used is 6000 \(\mathop A\limits^o\). The path difference PA and QA is