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RAJASTHAN PMT Rajasthan - PMT Solved Paper-1997

  • question_answer
    If Youngs double slit experiment  is performed in water, then fringe width will:

    A)  infinite                

    B)         decrease           

    C)         increase             

    D)         remain unchanged

    Correct Answer: B

    Solution :

    In water wavelength of light decreases, and fringe width decreases. because fringe width   \[\beta \propto \lambda \]


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