query: Does light have initial velocity?
positive_passages.docid: 43343
positive_passages.text: How to derive addition of velocities without the Lorentz transformation?
negative_passages.docid: 27825
negative_passages.text: Bending of light - photon's inertia instead of mass
negative_passages.docid: 157497
negative_passages.text: During reflection does the emitted photon have same properties?
negative_passages.docid: 86156
negative_passages.text: Do photons have a duration?
negative_passages.docid: 58728
negative_passages.text: Why does the speed of light in vacuum have no uncertainty?
negative_passages.docid: 67327
negative_passages.text: Does this count as moving faster than light?
negative_passages.docid: 22402
negative_passages.text: If I am travelling on a car at around 60 km/h, and I shine a light, does that mean that the light is travelling faster than the speed of light?
negative_passages.docid: 100599
negative_passages.text: What is the trajectory of a photon moving through a vacuum?
negative_passages.docid: 20037
negative_passages.text: Do photons have acceleration?
negative_passages.docid: 56065
negative_passages.text: How can the speed of light be a dimensionless constant?
negative_passages.docid: 28488
negative_passages.text: I am confused about the idea that the speed of light is independent of the speed of the source of light
negative_passages.docid: 69983
negative_passages.text: Photon energy - momentum in matter
negative_passages.docid: 75580
negative_passages.text: Derivation of the speed of light using the integral forms of Maxwell's Equations
negative_passages.docid: 15685
negative_passages.text: Does slowing light violate relativity?
negative_passages.docid: 11053
negative_passages.text: Planck's Law in terms of wavelength
negative_passages.docid: 12597
negative_passages.text: Does the speed of medium affect the path of light?
negative_passages.docid: 47568
negative_passages.text: Is it experimentally proven that photons travel at speed $c$ in vacuum?