Physics
Articles about matter, energy, forces and physical laws.
Wavefunction collapse
Wavefunction collapse in quantum mechanics
Wavelength
Distance over which a periodic wave's shape repeats; relates to frequency and speed and is central to optics, acoustics, and wave physics.
Weak interaction
Weak interaction (weak nuclear force)
Weber (unit)
Weber (unit) — SI unit of magnetic flux
Weight
Weight (physics): force of gravity on an object
Wolfgang Pauli
Work (physics)
Work (physics): definition, formulas, examples, and relation to energy
Work (thermodynamics)
Energy transfer by organized macroscopic forces in thermodynamic processes, commonly expressed as mechanical, electrical or pressure-volume work; distinct from heat and path-depend
World line
X-ray
X-rays: electromagnetic radiation — wavelengths, interactions, imaging and medical uses
Yard
Young–Laplace equation
Young's double-slit experiment
Young's double-slit experiment: wave–particle duality and quantum interference
Young's modulus
Young's modulus: definition, meaning, measurement and applications