Part 3: Space and Time4 of 42 entries
3-10.1
velocityii(bb(sf(v)))
vector (iso80000-2) quantity giving the rate of change of a position vector (t3-1.10)
3-10.2
speedii(sf(v))
magnitude (iso80000-2) of the velocity (t3-10.1)
3-23.1
phase velocity, phase speedc, ii(sf(v)), (v)
speed with which the phase angle (t3-7) of a wave propagates in space
ent
3-23.2
group velocity, group speedc_"g", ii(sf(v))_"g", (v_"g")
speed with which the envelope of a wave propagates in space
ent
Part 6: Electromagnetism2 of 85 entries
6-35.1
phase speed of electromagnetic wavesc
scalar quantity given by the quotient of angular frequency (iso80000-3) and angular wavenumber (iso80000-3) in a given…
6-35.2
speed of light in vacuum, light speed in vacuum, luminal speedc_0
scalar quantity equal to the speed of electromagnetic waves in vacuum (iso80000-1)
Part 7: Light and Radiation1 of 66 entries