2006-06-14 06:48:18 · 7 answers · asked by lexicons0262 1 in Science & Mathematics ➔ Physics
Time and distance are not man-made concepts - they are descriptions of the perceptions of man. For that matter the language you use to pose this question is fundamentally man-made, created in an effort to relate these perceptions to one another. Furthermore, the simple act of "measurement" changes the nature of any perceived phenomenon. So how can you expect a "truth" removed from man, when the world we know is always perceived through man?
2006-06-14 07:00:26 · answer #1 · answered by Jon 1 · 0⤊ 0⤋
We can only measure the speed of light using the wave equation, v= fλ; where v= speed, f= frequency and λ is the wavelength. Light cannot be measured by doing experiments because it is way too fast (it travels through a vacuum at 3.0x 10^8 m/s)-- almost impossible with the current technology we have today.
Hope it answers your question...
2006-06-15 05:58:57 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Speed of light can not be measured accuratly, only calculated. Frequency does you no good unless you already know the speed and realize that it is constant. They found the correlation between wavelength and frequency once C had been established as a constant.
2006-06-14 14:09:50 · answer #3 · answered by Nate 3 · 0⤊ 0⤋
How fast it leaves one point and hits the other in a matter of a second, I think thats how they measured it's velocity, used a tube and shined a light in it then they saw how long it took for it to travel the distance of the tube. SOmething like that.
2006-06-14 13:52:09 · answer #4 · answered by raider_way 3 · 0⤊ 0⤋
Speed is expressed as distance/time but the speed of light can be derived from electromagnetic theory without the need of experiments.
2006-06-14 13:52:10 · answer #5 · answered by ag_iitkgp 7 · 0⤊ 0⤋
It depends what you are trying to measure. If you are talking about intensity, there are already established units of lumens or candlepower. If you are talking about types of light, that can be measured by wavelength.
2006-06-14 13:53:42 · answer #6 · answered by crossj_2002 2 · 0⤊ 0⤋
light can be measured using frequencies.
2006-06-14 13:53:39 · answer #7 · answered by saxsquire 2 · 0⤊ 0⤋