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JEE Main & Advanced Sample Paper JEE Main Sample Paper-2

  • question_answer
    Six waves of equal frequency 50 Hz and having amplitudes 8 cm, 12 cm, 6 cm, 3 cm, 17 cm and 12 cm reach at point O with successive phase difference of \[\pi /3\]. Amplitude of the resultant wave after superposition is

    A)  8 cm                                     

    B)  11 cm

    C)  25 cm                  

    D)  zero

    Correct Answer: B

    Solution :

    The phasor diagram of waves   Resultant amplitude = 11 cm along\[{{A}_{6}}\].


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