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Describe in brief, with the aid of a labelled diagram, an experiment to demonstrate that a material medium is necessary for the propagation of sound.

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ICSE-PROPAGATION OF SOUND WAVES -EXERCISE -8(A)
  1. Complete the following sentence : Sound is produced by a ..............

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  2. Describe a simple experiment which demonstrates that the sound produce...

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  3. Describe in brief, with the aid of a labelled diagram, an experiment t...

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  4. There is no atmosphere on moon. Can you hear each other on the moon's ...

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  5. State three characteristics of the medium required for propagation of ...

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  6. Explain with an example, the propagation of sound in a medium.

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  7. Choose the correct word/words to complete the following sentence : W...

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  8. Name the two kinds of waves in form of which sound travels in a medium...

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  9. What is a longitudinal wave ? In which medium: solid, liquid or gas, c...

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  10. What is a transverse wave ? In which medium: solid, liquid or gas, can...

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  11. Explain the meaning of terms compression and rarefaction in relation t...

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  12. Explain the terms crest and trough in relation to a transverse wave.

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  13. Describe an experiment to show that in wave motion, only energy is tra...

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  14. Define the term amplitude of a wave. Write its S.I. unit.

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  15. What do you mean by the term frequency of a wave ? State its S.I. unit...

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  16. How is the frequency of a wave related to its time period ?

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  17. Define the term wave velocity. Write its S.I. unit.

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  18. Draw displacement-time graph of a wave and show on it the amplitude an...

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  19. Draw a displacement-distance graph of a wave and mark on it, the ampli...

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  20. How are the wave velocity V, frequency f and wavelength lambda of a w...

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