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9th Class Science Sound Question Bank 9th CBSE Science Sound

  • question_answer
      Establish the relationship between speed of sound, its wavelength and frequency. If velocity of sound in air is 340 . Calculate (a) wavelength when frequency is 256 Hz. (b) frequency when wavelength is 0.85 m.

    Answer:

             Refer to text on page 196.                    Speed = Wavelength x Frequency (b) Speed = Wavelength x Frequency


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