Mht Cet
Wave Optics
MHT CET 2019 2nd May Evening Shift
MCQ+1 / -02019
Light of wavelength ' $\lambda$ ' is incident on a single slit of width ' $a$ ' and the distance between slit and screen is ' $D$ '. In diffraction pattern, if slit width is equal to the width of the central maximum then ' $D$ ' is equal to