JEE Main & Advanced
Physics
Wave Optics / तरंग प्रकाशिकी
Question Bank
Young's Double Slit Experiment and Biprism
question_answer
In Young's experiment, light of wavelength 4000 Å is used to produce bright fringes of width 0.6 mm, at a distance of 2 meters. If the whole apparatus is dipped in a liquid of refractive index 1.5, then fringe width will be [MP PMT 1994]