JEE Main & Advanced Physics Wave Optics / तरंग प्रकाशिकी Question Bank Wave Nature and Interference of Light

  • question_answer
    The ratio of intensities of two waves are given by 4 : 1. The ratio of the amplitudes of the two waves is [CBSE PMT 1993]

    A)            2 : 1                                          

    B)            1 : 2

    C)            4 : 1                                          

    D)            1 : 4

    Correct Answer: A

    Solution :

               \[I\propto {{a}^{2}}\] Þ \[\frac{{{a}_{1}}}{{{a}_{2}}}={{\left( \frac{4}{1} \right)}^{1/2}}=\frac{2}{1}\]


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