Does the intensity of light change its speed of travel?
2007-12-27 02:11:04 · 9 answers · asked by edubya 5 in Science & Mathematics ➔ Astronomy & Space
Through a total vacuum...it's fastest...
Which means that light travels fastest when entering or President's ear...going quickly through and out the other side without every encountering an obstacle, or harming the poor man in any way...
God Bless that misguided guv-na...
2007-12-27 03:35:36 · answer #1 · answered by Anonymous · 4⤊ 1⤋
All light travels at the same speed in a vacuum, 299792458 m/s (which is called "c").
When traveling through a medium, such as glass or water or air, different frequencies travel at different speeds (less than c). If all frequencies traveled at the same speed there would be no rainbows.
Intensity does not affect speed, neither in a vacuum nor in a medium.
2007-12-27 03:15:33 · answer #2 · answered by dogwood_lock 5 · 1⤊ 0⤋
Yes, all light travels at the same velocity provided, of course, that you are measuring that velocity in the same medium. For example, all light travels at the same velocity in a complete vacuum. The speed of light is lower if you are measuring its velocity in pure water, or through glass.
Intensity does not affect velocity.
HTH
Charles
2007-12-27 02:24:00 · answer #3 · answered by Charles 6 · 2⤊ 1⤋
The speed of light in a vacuum is one of the great universal constants. For working purposes it is 300 X 10^6 meters/second.
It is absolutely independent of intensity.
In a medium, the photons exchange energy with electrons, which slows them down; this effect IS dependent on the wavelength. Chromatic aberration in lenses and rainbows are two examples of this effect.
2007-12-27 02:31:24 · answer #4 · answered by MVB 6 · 4⤊ 1⤋
Yes. All sources of lights travle at the same speed. Their speed doesn't vary. Wheather they are travelling from one medium to another it doesn't change. The same speed of light stays. Wheather they are going in different directions or wheather they are narrow light rays the speed doesn't change.
2007-12-27 03:26:08 · answer #5 · answered by Anonymous · 0⤊ 1⤋
"easy" such as you describe DOES shuttle on the comparable speed. although if, easy can shuttle at somewhat distinctive speeds via distinctive mediums. to illustrate, easy travels SLOWER via glass or water, which bring about REFRACTION. you may locate this artwork applying a PRISM (or a reliable diamond ring!) once you employ a prism, it splits the sunshine into distinctive hues. it quite is because of the fact distinctive hues of light shuttle at somewhat distinctive speeds. that's what produces the "rainbow result" on a prism or a diamond. Oh hell -- a rainbow itself!
2016-10-09 05:53:39 · answer #6 · answered by ? 4 · 0⤊ 0⤋
1: Yep (in a vacuum). Different wavelengths have different speeds when travelling through a medium (like glass or air). But it's still damn quick (a little less than 300 000 km/second).
2: Nope.
2007-12-27 02:21:26 · answer #7 · answered by TC 2 · 2⤊ 1⤋
the speed of light is considered constant, no matter it's intensity or frequency. 186,282.3960 miles per second in a vaccuum is the speed that all light moves.
2007-12-27 03:15:16 · answer #8 · answered by quantumclaustrophobe 7 · 1⤊ 1⤋
Since black holes can suck in light, I'd say that a strong enough gravitational pull could slow it down or stop it.
2007-12-27 02:28:53 · answer #9 · answered by bikinkawboy 7 · 1⤊ 6⤋