äänivirtoja
Äänivirtoja, also known as sound waves, are mechanical disturbances that propagate through a medium such as air, water, or solids. They consist of alternating regions of compression and rarefaction, which transfer energy without transporting matter. The speed of a sound wave depends on the medium’s density and elastic properties; for example, sound travels faster in steel than in air.
In physics, sound waves are characterized by parameters such as frequency, wavelength, amplitude, and speed. Frequency
Sound waves can be classified by their propagation mode: longitudinal waves dominate in fluids, while both
Applications of äänivirtoja span communication, medical imaging, and industrial processes. Ultrasound uses high‑frequency sound waves for
In environmental science, studying sound propagation helps assess noise pollution, marine mammal communication, and the behavior