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- https://phys.libretexts.org/Courses/Muhlenberg_College/MC_%3A_Physics_213_-_Modern_Physics/03%3A_Photons_and_Matter_Waves/3.06%3A_De_Broglies_Matter_WavesAccording to de Broglie’s hypothesis, massless photons as well as massive particles must satisfy one common set of relations that connect the energy E with the frequency f, and the linear momentum p w...According to de Broglie’s hypothesis, massless photons as well as massive particles must satisfy one common set of relations that connect the energy E with the frequency f, and the linear momentum p with the wavelength λ
- https://phys.libretexts.org/Courses/Bowdoin_College/Phys1140%3A_Introductory_Physics_II%3A_Part_2/05%3A_Photons_and_Matter_Waves/5.06%3A_De_Broglies_Matter_WavesAccording to de Broglie’s hypothesis, massless photons as well as massive particles must satisfy one common set of relations that connect the energy E with the frequency f, and the linear momentum p w...According to de Broglie’s hypothesis, massless photons as well as massive particles must satisfy one common set of relations that connect the energy E with the frequency f, and the linear momentum p with the wavelength λ
- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/PHY_2040%3A_General_Physics_III/01%3A_Waves_and_Vibrations/1.5%3A_WavesWave motion transfers energy from one point to another, usually without permanent displacement of the particles of the medium.
- https://phys.libretexts.org/Bookshelves/University_Physics/University_Physics_(OpenStax)/University_Physics_III_-_Optics_and_Modern_Physics_(OpenStax)/06%3A_Photons_and_Matter_Waves/6.06%3A_De_Broglies_Matter_WavesAccording to de Broglie’s hypothesis, massless photons as well as massive particles must satisfy one common set of relations that connect the energy E with the frequency f, and the linear momentum p w...According to de Broglie’s hypothesis, massless photons as well as massive particles must satisfy one common set of relations that connect the energy E with the frequency f, and the linear momentum p with the wavelength λ
- https://phys.libretexts.org/Learning_Objects/A_Physics_Formulary/Physics/05%3A_WavesWave equations, Green's function methods and electromagnetic waves including waveguides
- https://phys.libretexts.org/Bookshelves/University_Physics/Radically_Modern_Introductory_Physics_Text_I_(Raymond)/01%3A_Waves_in_One_Dimension/1.09%3A_Group_VelocitySince the speed of movement of wave crests is the phase speed and the speed of movement of wave packets is the group velocity, the two velocities are equal and the non-dispersive nature of this case i...Since the speed of movement of wave crests is the phase speed and the speed of movement of wave packets is the group velocity, the two velocities are equal and the non-dispersive nature of this case is confirmed. Figure \PageIndex2A shows a dispersive wave in which the group velocity is twice the phase speed, while Figure \PageIndex2B shows a case in which the group velocity is actually opposite in sign to the phase speed.
- https://phys.libretexts.org/Bookshelves/University_Physics/Mechanics_and_Relativity_(Idema)/09%3A_Waves/9.05%3A_Amplitude_ModulationThe general solution to the wave equation allows for many more interesting wave shapes. An important, and often encountered one is where the wave itself is used as the medium, by changing the amplitud...The general solution to the wave equation allows for many more interesting wave shapes. An important, and often encountered one is where the wave itself is used as the medium, by changing the amplitude over time.
- https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electromagnetics_II_(Ellingson)/06%3A_Waveguides/6.01%3A_Phase_and_Group_VelocityTo send information, the source of the wave needs to vary at least one parameter as a function of time; for example A (resulting in amplitude modulation), ω (resulting in frequency modula...To send information, the source of the wave needs to vary at least one parameter as a function of time; for example A (resulting in amplitude modulation), ω (resulting in frequency modulation), or ψ (resulting in phase modulation). Note the similarity to the definition of phase velocity in Equation ???. Group velocity can be interpreted as the speed at which a disturbance in the wave propagates.
- https://phys.libretexts.org/Courses/Joliet_Junior_College/JJC_-_PHYS_110/09%3A_A_Physics_Formulary/9.01%3A_Physics_Formulas_(Wevers)/9.1.03%3A_WavesWave equations, Green's function methods and electromagnetic waves including waveguides
- https://phys.libretexts.org/Courses/Georgia_State_University/GSU-TM-Introductory_Physics_II_(1112)/zz%3A_Back_Matter/10%3A_13.1%3A_Appendix_J-_Physics_Formulas_(Wevers)/1.05%3A_WavesWave equations, Green's function methods and electromagnetic waves including waveguides
- https://phys.libretexts.org/Bookshelves/University_Physics/Physics_(Boundless)/15%3A_Waves_and_Vibrations/15.5%3A_WavesWave motion transfers energy from one point to another, usually without permanent displacement of the particles of the medium.
