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

  • question_answer
      Waves of frequency 100 Hz are produced in a string, as shown in the figure. Give its (a) amplitude                     (b) wavelength (c) velocity                          (d) nature

    Answer:

                             (a) Amplitude = 5 cm (b) Wavelength = 20 cm (c) Velocity (d) Nature It is transverse wave. 


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