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JIPMER Jipmer Medical Solved Paper-2000

  • question_answer
    In Youngs double slit experiment, a mica slit of thickness t and refractive index \[\mu \] is introduced in the ray from the first source\[{{S}_{1.}}\]. By how much distance the fringes pattern will be displaced?

    A) \[\frac{D}{d}(\mu -1)\]                 

    B) \[\frac{d}{(\mu -1)D}\] 

    C)        \[\frac{D}{d}(\mu -1)t\]               

    D)        \[\frac{d}{D}(\mu -1)t\]

    Correct Answer: C

    Solution :

    Path difference \[{{y}_{p}}=\frac{D}{d}\] Now additional path difference is\[(\mu -1)t\]. Therefore displacement will be \[\Delta y=\frac{D}{d}(\mu -1)\,t\]


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