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ICSE Class 7 Physics Question 42 of 42

Sound — Question 42

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Question

Question 42

List the measures that you will take when designing a sound-proof room.

Answer

Following measures should be taken when designing a sound-proof room:

  1. The roof of the enclosure must be covered by plaster of paris after putting the sheets of thermocol.
  2. The wall of the enclosure should be covered by wooden strips.
  3. The floor must be laid down by thick carpets.
  4. Thick curtains should be used to cover the doors and keep them closed.
  5. Thick stripping must be used to cover the openings of doors and windows.
  6. The machine parts of all the electrical equipments like fans, air conditioners etc. must be placed outside the enclosure.