hullámméret

Hullámméret, often translated as wavelength, is a fundamental property of waves that describes the spatial period of the wave, or the distance over which the wave's shape repeats. It is the distance between consecutive corresponding points of the same phase on a wave, such as two adjacent crests or troughs.

The symbol commonly used for wavelength is the Greek letter lambda, $\lambda$. Wavelength is inversely proportional to frequency, denoted by $f$, and the speed of the wave, denoted by $v$. This relationship is expressed by the equation $v = f\lambda$. This means that for a wave traveling at a constant speed, a higher frequency corresponds to a shorter wavelength, and a lower frequency corresponds to a longer wavelength.

Wavelength is a crucial concept in many areas of physics, including optics, acoustics, and electromagnetism. In optics, different wavelengths of visible light correspond to different colors. For example, red light has a longer wavelength than blue light. In radio communication, different radio stations broadcast at different frequencies, which correspond to different wavelengths. Similarly, in acoustics, the pitch of a sound is related to its frequency and thus its wavelength. Understanding hullámméret allows for the prediction and manipulation of wave phenomena, enabling technologies such as spectroscopy, radar, and wireless communication.