The amount of sound transmitted outside a room depends on the surface while the amount of sound reflected or absorbed de…

In summer, it is necessary to supply _______ air inside the room before it enters the room.

A _____________ produced by sound may shatter windows and can cause damage to the Plaster of walls.

______________ of sound is affected by frequency of sound.

For an echo to be distinguished as separate, it should reach the ear _____ of a second after the direct sound.

Because of high concentration of reflected sound at the Sound foci, there is a deficiency of reflected sound at some poi…

The ____________ is the degree of sensation.

Excessive reverberation is caused due to ______