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UPSC Physics Heat Question Bank Sound, Oscillations, Heat and Thermodynamics

  • question_answer
          A sonometer wire having a length of 50 cm is vibrating in the fundamental mode with a frequency of 100 Hz. Which of the following is the type of propagating wave and its speed?                               [NDA]

    A) Longitudinal, 50 m/s      

    B) Transverse, 50 m/s

    C) Longitudinal, 100 m/s     

    D) Transverse, 100 m/s

    Correct Answer: D

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