Examples for

Quantum Effects

Use Wolfram|Alpha to calculate the results of quantum mechanical effects. Examine exponential decay, Compton scattering and the Rydberg formula. Calculate wavelengths and work functions.

Quantum Effects

Calculate quantum effects such as the de Broglie wavelength, spectral lines and radioactive decay times.

Compute exponential decay:

decay lifetime=6.7s, 3days

Compute the energy of a photon given its wavelength:

photon energy 435nm

Compute a thermal de Broglie wavelength:

thermal wavelength of helium at 400K

Compute a Compton wavelength:

Compton wavelength proton

Determine the wavelength shift for Compton scattering:

Compton scattering at 30 degrees

Use the Rydberg formula to compute spectral lines:

Rydberg formula ni=2, nf=5

Look up atomic spectra:

atomic spectrum of nitrogen
Balmer series spectrum

Look up work functions:

work function Nb
work function Be

Learn about specific quantum effects:

photoelectric effect

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