VIT Engineering VIT Engineering Solved Paper-2008

  • question_answer
    Two beams of light will not give rise to an interference pattern, if

    A)  they are coherent

    B)  they have the same wavelength

    C)  they are linearly polarized perpendicular to each other

    D)  they are not monochromatic

    Correct Answer: D

    Solution :

    When two waves of same frequency, same wavelength and same velocity moves in the same direction. Their superposition results in the interference. The two beams are monochromatic.  


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