Energy and Wavelength Relationship

Energy and Wavelength Relationship

• Concept: Energy and wavelength are inversely related in electromagnetic radiation.

  • Higher energy corresponds to shorter wavelength; lower energy corresponds to longer wavelength.

  • Key formula: $E = \dfrac{hc}{\lambda}$ where

  • $E$ = energy of a photon,

  • $h$ = Planck's constant,

  • $c$ = speed of light,

  • $\lambda$ = wavelength.

• True/False style idea from the video: if told that high energy gives you short wavelength, that is true; if told high energy gives you long wavelength, that is false.

• Practical takeaway: relate wavelength and energy to predictions about photon behavior (e.g., photoelectric effect, emission/absorption spectra).