Quantum physics and wave functions
Calculate the frequency of light from its wavelength (or vice versa) using f = c / λ. Get the period, angular frequency,…
Compute the magnetic moment of an atom from its quantum numbers L, S and J. Get the Landé g-factor (gⱼ), the spin-only and…
Compute the energy level Eₙ and ionization energy of hydrogen and hydrogen-like atoms and ions (H, He⁺, Li²⁺, Be³⁺). Uses…
Find the wavelength shift of a photon scattered by any angle using the Compton formula Δλ = h/(m·c)·(1−cos θ). Choose electron,…
Calculate the radiation spectrum of a blackbody from its temperature and emissivity. Get total radiance and radiant emittance,…
Calculate the Fermi energy, Fermi temperature, Fermi velocity, and Fermi wave vector (wave number) from the electron number…
Find the allowed values of the four quantum numbers (n, ℓ, mℓ, mₛ) for any electron shell or subshell. Shows subshells (s,…
Find the minimum possible uncertainty in the position or momentum of a quantum particle using Heisenberg's principle σx·σp…
Calculate the wavelength, frequency, and photon energy of hydrogen spectral lines using the Rydberg formula 1/λ = R·Z²·(1/n₁²−1/n₂²).…
Calculate the de Broglie wavelength of any particle from its mass and velocity or momentum. Supports metric (kg, m/s, nm)…
Calculate peak wavelength, temperature, and frequency of black body radiation using Wien's displacement law. Supports K,…
Calculate the energy of a photon from its wavelength or frequency using Planck's equation. Supports nm, μm, pm, Å, THz. Results…
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