JEE Main & Advanced
Physics
Wave Optics / तरंग प्रकाशिकी
Question Bank
Self Evaluation Test - Wave Optics
question_answer
A double slit arrangement produces fringes for \[\lambda =5890\overset{o}{\mathop{A}}\,\] that are \[0.4{}^\circ \] apart. What is the angular width if the entire arrangement is immersed in water? \[({{\mu }_{w}}=4/3)\]