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VIT Engineering VIT Engineering Solved Paper-2010

  • question_answer
    Two identical light sources \[{{S}_{1}}\] and \[{{S}_{2}}\]emit light of same wavelength\[\lambda \]. These light rays will exhibit interference if

    A)  their phase differences remain constant

    B)  their phases are distributed randomly

    C)  their light intensities remain constant

    D)  their light intensities change randomly  

    Correct Answer: A

    Solution :

    For interference phase difference must be constant.


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