2007-04-02 04:01:15 · 12 answers · asked by science student 2 in Science & Mathematics ➔ Physics
The speed of light in a material does not depend on the volume of the material. It does depend on the density of electrons, the resonance frequencies of those electrons, and the frequency of the light.
2007-04-02 06:38:25 · answer #1 · answered by mathematician 7 · 1⤊ 0⤋
The speed of light varies with the medium.
2007-04-03 08:00:57 · answer #2 · answered by vj_samuel1990 2 · 0⤊ 0⤋
The speed of light is a fixed number in a vacuum. Once it gets into other materials, there is a number called the index of refraction that tells you how much light slows down in that medium. It depends on the material or the gas and not on the volume.
2007-04-02 11:05:57 · answer #3 · answered by Gene 7 · 1⤊ 1⤋
The speed of light does not vary with the volume of the gas through which it passes. It does vary with the density of the gas: light will pass more slowly through a dense gas than through a thin gas.
The speed of light is maximal ("c") in a vacuum. It slows through our atmosphere, though not by much. It slows more in denser media; for example, the speed of light in water is about 3/4 of c. The speed of light in salt is about 2/3 of c. The speed of light in diamond is about 2/5 of c.
2007-04-02 12:11:16 · answer #4 · answered by Isaac Laquedem 4 · 0⤊ 1⤋
Speed of light do not vary with volume of a gas.
2007-04-02 11:18:49 · answer #5 · answered by Pranil 7 · 1⤊ 1⤋
Since the refractive index of most of the gases is very close to 1 (i.e. the velocity is almost the same as that in vacuum), you can neglect the effect of the density (not volume) of the gas medium.
2007-04-04 11:34:38 · answer #6 · answered by Swamy 7 · 0⤊ 0⤋
Yes, the speed of light does vary with gas volume. In fact, there are experiments using plasma (superheated and ionised gas) that can slow light down by a very significant factor.
2007-04-02 11:13:53 · answer #7 · answered by Barry R 1 · 0⤊ 2⤋
ya its true dat light rays change their speed frm 1 medium to another. bt d change in light does nt depend upon d volume of d medium. it depends on d density of d 2 mediums. density is d mass of a substance of given volume.
2007-04-02 11:32:29 · answer #8 · answered by $#Romeo Boy#$ 2 · 0⤊ 1⤋
Speed of light does not depend upon the volume.
It depends upon the material of the medium through which it passes.
2007-04-02 11:36:56 · answer #9 · answered by kchl_dk007 3 · 1⤊ 1⤋
nope the speed of the light does not depend on its medium as it is an elecromagnetic wave which does not need any medium to propagate.
2007-04-02 11:09:07 · answer #10 · answered by heena s 1 · 0⤊ 3⤋