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Sound: Production of Sound — Science STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7ScienceSound: Production of Sound2 Marks
Question
What would be the difference perceived between hearing only two pupils in the class talking to each other and all the children talking to one another at the same time?
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Answer

  1. When two pupils talk to each other, the sounds of two frequencies produced can be heard clearly.
  2. When all the children talk to one another sounds of many frequencies produced can not be heard clearly.
  3. Sound level will be more creating loud noise.

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