Because the sounds bounce off of walls.
In a perfect system Energy Waves would not travel around corners unless reflected off of something. In the case of Sound the medium of travel is the Air. The Wave is "Reflected" off of air molecules and 'travels around the corner. The motion of the air molecules 'reproduces' the sound waves' travel.
I suggest you play in the bathtub. Sound moves in the same way that waves move on the surface of the water. You will SEE how sound goes round corners.
reflection of sound is the property which causes an echo........
The sound made by a bell is caused by the bell vibrating and moving the air around it which, in turn, vibrates the inner parts of your ear and allows you to interpret the vibration as sound.
Sound can go through buildings. Sound can also go around corners, just like any wave. According to the Huygens-Fresnel principle, any place where a wave gets will generate a new wave going out in all directions of space.
Sound waves have a longer wavelength which allows them to bend around corners more than light waves.
diffraction
In a perfect system Energy Waves would not travel around corners unless reflected off of something. In the case of Sound the medium of travel is the Air. The Wave is "Reflected" off of air molecules and 'travels around the corner. The motion of the air molecules 'reproduces' the sound waves' travel.
The vibration of air or a material.
reflection
diffraction
Diffraction. Your welcome to shower needed it(:
Sound certainly can travel around corners. Sound can also travel through hard surfaces like walls and bathroom surfaces as well.
Important parts of our experience with sound involve diffraction. The fact that you can hear sounds around corners and around barriers involves both diffraction and reflection of sound.
I suggest you play in the bathtub. Sound moves in the same way that waves move on the surface of the water. You will SEE how sound goes round corners.
Sound waves are diffracted around corners and so can be heard when the source of the sound is not in a straight line.
Sound intensity is a property of sound.