Q.38 Is it true that carpets and curtains/drapes placed on the floor or wall
surfaces can reduce the noise level. Explain briefly?

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