ESL. If photons only carrying particles without mass, then how does the energy-transferring-process work at this point?anorlunda said:Isn't that implicit in the concept of invariant mass?
https://en.wikipedia.org/wiki/Invariant_mass
Nobody mentioned photons.itallcomestoenergy said:ESL. If photons only carrying particles without mass, then how does the energy-transferring-process work at this point?
Sound waves are mechanical waves that require a medium, such as air or water, to travel through. As sound waves travel, they create areas of high and low pressure, which result in the movement of particles in the medium. This movement of particles is what we perceive as sound. Therefore, sound waves do carry a small amount of mass in the form of these particles.
The mass carried by sound waves can be measured indirectly by measuring the change in pressure or displacement of particles in the medium. This can be done using specialized instruments such as microphones or hydrophones, which convert the pressure or displacement into an electrical signal that can be measured.
The mass carried by sound waves is very small and is often considered negligible. The mass of air particles that make up sound waves is approximately 1.2 x 10^-3 grams per cubic centimeter. This means that even a loud sound with a large amplitude would only result in a very small change in mass in the medium.
No, sound waves cannot transfer mass from one location to another. While sound waves do carry a small amount of mass, this mass remains in the medium and does not travel with the wave. The wave itself is simply a disturbance that travels through the medium, and the particles in the medium return to their original position after the wave passes.
Measuring the mass carried by sound waves can be useful in certain applications, such as in the field of acoustics. For example, in underwater acoustics, measuring the mass carried by sound waves can help in understanding the behavior of sound in the ocean and its effects on marine life. It can also be useful in designing and optimizing audio equipment, such as speakers and microphones, for better sound quality.