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JEE Main & Advanced Physics Wave Mechanics Question Bank Interference and Superposition of Waves

  • question_answer
    The intensity ratio of two waves is 1 : 16. The ratio of their amplitudes is                                                [EAMCET 1983]

    A)            1 : 16                                        

    B)            1 : 4

    C)            4 : 1                                          

    D)            2 : 1

    Correct Answer: B

    Solution :

               \[\frac{{{I}_{1}}}{{{I}_{2}}}={{\left( \frac{{{a}_{1}}}{{{a}_{2}}} \right)}^{2}}=\frac{1}{16}\Rightarrow \frac{{{a}_{1}}}{{{a}_{2}}}=\frac{1}{4}\]


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