Question

What does Lambda mean in physics?

Answer 1

1. Lambda $\left(\mathrm{\lambda }\right)$ is a letter taken from the Greek alphabet.
2. In physics, lambda $\left(\mathrm{\lambda }\right)$ is mainly used as a variable to denote or indicate the wavelength of any wave.
3. In nuclear physics and radioactivity, lambda is used to indicate the radioactivity decay constant.
4. In terms of electric fields, then lambda is also used to indicate the linear charge density of a uniform line of electric charge.