12th Class Biology Environmental Issue And Environmental Pollution

  • question_answer 49)
      Is it true that carpets and curtains/drapes placed on the floor or wall surfaces can reduce noise level. Explain briefly?

    Answer:

                        Yes, it is true, that the placing/using carpets on floor and curtains on wall surface, windows, reduces noise level. This is because the curtains and carpets on wall surface and carpet act as muffling device and absorb sounds of moderate level.


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