Wave equation

Definition

The wave equation is a mathematical formula that describes how waves, such as light waves, propagate through space and time. It is fundamental in understanding the behavior of electromagnetic radiation and its interaction with matter.

5 Must Know Facts For Your Next Test

1. The wave equation can be written as ∂²ψ/∂t² = c²∇²ψ, where ψ represents the wave function.
2. In astronomy, the wave equation helps explain how light from stars and other celestial objects travels through space.
3. Solving the wave equation reveals information about wave speed, frequency, and wavelength.
4. The constant 'c' in the wave equation represents the speed of light in a vacuum.
5. Understanding the wave equation is crucial for interpreting astronomical spectra and radiation patterns.

Review Questions

Related terms

Electromagnetic Spectrum:

The range of all types of electromagnetic radiation including visible light, radio waves, gamma rays, etc.

Photon:

A particle representing a quantum of light or other electromagnetic radiation.

Doppler Effect:

The change in frequency or wavelength of a wave in relation to an observer moving relative to the source of the waves.