The amount of sound transmitted outside a room depends on the surface while the amount of sound reflected or absorbed depends on the sound insulation properties of the surface.

Related MCQs

• Hard materials used for sound insulation are good absorbers.
• The sound insulation offered by rigid homogenous walls decreases with the increase in the thickness of the wall.
• The general temperature difference between inside and outside of a room is not more than ____________
• Concrete floor floating construction provides good insulation against __________ sounds.
• The intensity of sound depends on the ear of the listener.
• Reverberation time is independent of the shape of the room.
• The absorption of a surface is the product of the __________ of the surface and its absorption coefficient.
• Ventilation arising from the temperature difference between outside and inside takes place due to ____________ effect.
• Which of the following is not a characteristic of sound?
• Sound travels faster in gases than in solids.