Nothing. 'c' is the universal constant, the maximum velocity for all radiation in any field. Except for phenomina like the gas jet in galaxy M87 which the Hubble telescope has confirmed at significantly over 2.5 x light speed from our reference frame. This is because both the galaxy it is in and the cluster the galaxy is in are moving in the same direction.
The velocity of light in a liquid sample is always less than the light in air The velocity of light in a liquid sample is always less than the light in air
The escape velocity of a black hole is equal or greater than the speed of light, so light cannot escape
No. The escape velocity of a black hole is greater than the speed of light.
The neutrino was recently discovered to have a velocity greater than that of light in a vacuum. This discovery was made in experiments such as OPERA where neutrinos were observed traveling faster than the speed of light, although those results were later retracted.
It is because the index is related to the velocity of light in air (ideally vacuum) and the medium in question. Since the velocity of light in vacuum is greater than it can be in any other media, the index of refraction of these other media relative to the vacuum is greater than 1.However, if you studied light travelling through glass and then water, the index of refraction between those two would be 0.89 (approx).
Accelerating...or was accelerating.
Since momentum equals mass times velocity, if the mass of the truck times its velocity is greater than the mass of the bus times the bus' velocity then the momentum of the truck will be greater than the momentum of the bus.
A black hole has an escape velocity of the speed of light, at least theoretically. Oddly, though, each galaxy has a black hole and we can detect them because they throw off massive amounts of energy. If the escape velocity is greater than the speed of light, then no light or energy of any kind should escape. So black holes are not quite the perfect consumers of everything.
Not necessarily, but the frequencies are different.
No it justs refracts further
Terminal velocity is when air drag stops you from going any faster when falling. A heavier person will fall with greater force than the light sky diver falls at. So the heavier skydiver will require more force from air in order to keep him/her at terminal velocity
Possibly neutrinos are . . . scientists right now are thinking that neutrinos travel faster than light (photons)