9th Class Science Sound

  • question_answer 16)
    What is the range of frequencies associated with (a) Infrasound         (b) Ultrasound ?  

    Answer:

    (a) Range of frequencies associated with infrasound : 1 Hz to 20 Hz. (b) Range of frequencies associated with ultrasound : 2 x 104 Hz to 1010 Hz.  


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