Terms starting with F
35 terms · page 2 of 2
Fourier Transform
An integral transform that decomposes a continuous time or spatial signal into its constituent frequency or wavevector spectrum.
Foundations of PhysicsFrame of Reference
A coordinate system along with a clock used to record positions, velocities, and times of physical events.
Quantum & Atomic PhysicsFranck-Hertz Experiment
An influential 1914 physics experiment that directly demonstrated the existence of quantized discrete energy states in mercury atoms.
OpticsFraunhofer Diffraction
Far-field wave diffraction where both incident and observed wavefronts are planar, achieved using lenses or large distances.
OpticsFraunhofer Lines
A set of dark absorption lines in the solar spectrum caused by chemical element absorption in the Sun's outer atmosphere.
Waves, Oscillations & AcousticsFrequency
The number of complete wave cycles or vibrational repetitions occurring per unit time.
Classical MechanicsFrequency (Mechanics)
The number of complete vibrational cycles occurring per unit time.
OpticsFresnel Diffraction
Near-field wave diffraction where source or observation screen is close to the diffracting aperture, requiring spherical wavefront…
Classical MechanicsFriction
A resistive contact force that opposes relative sliding motion or tendency of motion between surfaces.
Foundations of PhysicsFundamental Constants
Universal physical quantities whose numerical values are constant in space and time throughout the cosmos.
Waves, Oscillations & AcousticsFundamental Frequency
The lowest natural frequency at which a standing wave pattern can be established in a vibrating system.