No - it's a minimum. Zero in fact.
Sound can not travel in a vacuum.
It is told that sound cannot travel trough vacuum. Sound can only travel through medium.
Sound travels fastest through solids. This is because molecules in a solid medium are much closer together than those in a liquid or gas, allowing sound waves to travel more quickly through it. In fact, sound waves travel over 17 times faster through steel than through air. In diamond the speed of sound is fastest. It is c = 12000 m/s.
hydrogen
1.water 2.air 3.mercury 4.iron
Maximum possible vacuum is -0.1 Mpa
It is told that sound cannot travel trough vacuum. Sound can only travel through medium.
the velocity of light is maximum in vacuum I.e 3*10^8 m/s. as the density of the medium increases the velocity of light decreases in the medium. so the velocity of light is less in watt than in atmosphere. the thicker the medium is the slower the electromagnetic wave, so the velocity of light will be minimum in the thickest medium.
Sound travels fastest through solids. This is because molecules in a solid medium are much closer together than those in a liquid or gas, allowing sound waves to travel more quickly through it. In fact, sound waves travel over 17 times faster through steel than through air. In diamond the speed of sound is fastest. It is c = 12000 m/s.
hydrogen
The velocity of light in vacuum is a universal constant. A light year is the distance travelled at that velocity in one year. To define a sound year it would be necessary to also specify the precise characteristics of material it is being propagated through. A vacuum won't do, since sound doesn't travel through a vacuum.
1.water 2.air 3.mercury 4.iron
Light travels at its maximum velocity c in a vacuum. In a medium with a certain refractive index, it is slowed down and travels with velocity c/index
Maximum possible vacuum is -0.1 Mpa
Light travels at its "maximum velocity" in a vacuum. In any other medium, interference makes it appear to slow down. We're giving Čerenkov radiation the day off here.
Sound requires the physical compression and expansion of molecules to be transmitted, it is not electromagnetic energy like light and microwaves. It therefore cannot be transmitted through a vacuum so it cannot have a velocity in space
The speed of light in a vacuum is 300,000 kilometers per second (or 300 million meters per second). In a vacuum, light can ONLY move at that speed - neither faster, nor slower.
There is no preferred path for the speed of light, other than the shortest path through spacetime. The speed of light is 299,792,458 m/s in a vacuum. Just to clarify, this is the maximum limit of velocity in the universe because it is the maximum velocity that energy can propagate through the universe.