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Physics IX A,B,C,D

Date of submission:  4/1/2011

Mrs.K C Usha Devi, TGT Biology

Chapter: Sound


  1. What is the nature of sound waves?
  2. Can sound travel through vacuum?
  3. What are transverse waves? Give 2 examples.
  4. Name the charecteristics of a sound.
  5. Why are sound waves called mechanical waves?
  6. How does loudness change on increasing the  amplitude of sound?

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