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JEE Main & Advanced Physics Communication System / संचार तंत्र Question Bank Communication

  • question_answer
    A laser is a coherent source because it contains  [JIPMER 2003]

    A)            Many wavelengths

    B)            Uncoordinated wave of a particular wavelength

    C)            Coordinated wave of many wavelengths

    D)            Coordinated waves of a particular wavelength

    Correct Answer: D

    Solution :


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