JEE Main & Advanced Physics Wave Optics / तरंग प्रकाशिकी Question Bank Young's Double Slit Experiment and Biprism

  • question_answer
    Young's experiment is performed in air and then performed in water, the fringe width  [CPMT 1990; MP PMT 1994; RPMT 1997; Kerala PMT 2004]

    A)            Will remain same               

    B)            Will decrease

    C)            Will increase                         

    D)            Will be infinite

    Correct Answer: B

    Solution :

               \[\beta \propto \lambda ,\ \ \therefore \lambda \propto \frac{1}{\mu }\]


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