The conversation going on in some room can be heared by the

Last updated: 6/28/2023

The conversation going on in some room can be heared by the person outside the room The reason for it is 1 Interference of sound 2 Reflection of sound 3 Diffraction of sound 4 Refraction of sound WO0079 1 ec 3 lits 85 Diffra are o 1 sa 2 dil