Physics / Subcategory
Waves
Wave calculators and formulas for wave propagation, frequency, wavelength, and sound. Includes the wave equation, Doppler effect, and sound intensity calculations.
9Formulas
All levels Difficulty
Updated Oct 2026
← All Physics (28) Waves (9)
Fundamental
Heisenberg Uncertainty Principle
delta_x * delta_p >= h_bar / 2
Fundamental
Planck's Energy-Frequency Relation
E = h * f
Fundamental
de Broglie Wavelength
lambda = h / p
Fundamental
Photoelectric Effect Equation
KE_max = h*f - phi
Fundamental
Wave Intensity
I = P / A
Fundamental
Doppler Effect (Sound, Moving Source)
f_observed = f_source * (v_sound / (v_sound - v_source))
Fundamental
Beat Frequency
f_beat = |f1 - f2|
Fundamental
Period of a Simple Pendulum
T = 2 * pi * sqrt(L / g)
Fundamental
Wave Speed Equation
v = fλ