When sound passes through a material, vibration is indeed produced, but this does not necessarily mean that electromagnetic waves are generated as well. Sound waves are mechanical waves that require a medium, such as air, water, or solids, to propagate. They rely on the physical displacement and interaction of particles within the medium to transmit energy.
When sound waves pass through a material, such as a solid object, the waves can induce vibrations in the particles of that material. These vibrations cause the particles to oscillate or move back and forth, transmitting the energy of the sound wave through the material. This is why, for example, you can hear sound through a wall if it is vibrating due to sound waves on the other side.
However, the generation of electromagnetic waves is a separate phenomenon. Electromagnetic waves are waves of oscillating electric and magnetic fields that can travel through a vacuum or a medium. They are not directly generated by the vibration of particles caused by sound waves.
That being said, certain interactions between sound waves and materials can result in the production of electromagnetic waves indirectly. For instance, when sound waves interact with certain materials, they can generate small electrical signals due to piezoelectric or magnetostrictive effects. These electrical signals can then be transformed into electromagnetic waves by electronic circuits or devices.
In summary, while sound waves can induce vibrations in materials, these vibrations do not inherently generate electromagnetic waves. Electromagnetic waves require a different mechanism and are typically associated with phenomena involving electric and magnetic fields, such as light or radio waves.