12th Class Physics Sample Paper Physics Olympiad Sample Paper-3

  • question_answer In a Young's double slit experiment the intensity of the resultant wave at a point P on the screen is l where the path difference between the waves from coherent sources \[{{S}_{1}}\] and \[{{S}_{2}}\] is \[\lambda \]. Then the intensity of the resultant wave at a point where the path difference is \[\lambda /4\] is given by

    A)  \[//\sqrt{2}\]                 

    B)  \[2/\]

    C)  \[4/\]               

    D)  \[//2\]

    Correct Answer: D


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