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NEET Sample Paper NEET Sample Test Paper-46

  • question_answer
    Two monochromatic waves each of intensity I have a constant phase difference of\[\phi \]. If these waves superpose, then the intensity of the resultant wave is -

    A) 4I

    B)                    \[4I\text{ }cos\text{ }\phi \]

    C)                    \[4I\text{ }co{{s}^{2}}\,\phi \]

    D)                    \[4I\text{ }co{{s}^{2}}\,(\phi \,2)\]

    Correct Answer: D

    Solution :

    \[I=4I\text{ }co{{s}^{2}}\,\phi /2\]


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