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186,282 m/second
The speed of sound in gelatin depends on the gelatin concentration but it is approx 1520 metres/second.
Turn your light off then on, how long time does it takes. There you got the speed of light !!!! 300,000 km a sec is fast.
Wavelength times frequency is the speed. To know the wavelength, you have to divide the speed by the frequency of the light.
something,some how and some where.
Wavelength times frequency is the speed. To know the wavelength, you have to divide the speed by the frequency of the light.
because no one succeeded in determining the speed of light
To find (wavelength): Divide (speed) by (frequency). To find (frequency): Divide (speed) by (wavelength).
There's no reason that infrared light should move at a speed different from the speed of any other wavelength of light, or for that matter, the speed of any other form of electromagnetic radiation. The speed of infrared light is simply the speed of light in whatever medium it happens to find itself at the moment.
oh Galilieo
You divide the speed of light in a vacuum (about 300,000,000 meters/second) by the index of refraction, "n".
Please be more specific.