Manipal Medical Manipal Medical Solved Paper-2001

  • question_answer
    In a Fresenals bi-prism experiment the two position of lens give separation between the slits as 16 cm and 9 cm respectively. Then the actual separation will be:

    A)  14 cm       

    B)  24cm

    C)  6 cm           

    D)  12 cm

    Correct Answer: D

    Solution :

     Separation between the slits \[{{d}_{1}}=16\,cm\] Separation between the slits \[{{d}_{2}}=9\,cm\] The actual distance of separation is given by, \[a=\sqrt{{{d}_{1}}{{d}_{2}}}=\sqrt{16\times 9}\] \[=12\text{ }cm\]


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