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how to find speed for light. A handy trick if you dont have a calculator to hand eg youre driving is to use the Fibonacci sequence 1 1 2 3 5 8. If you want to know the distance of a light year in kilometers you will need to find the speed of light in kilometers per second.
For example a pane of window glass has a thickness that may be stated by the manufacturer but which should be measured to ensure accurate calculation of the refractive indexStep 2 Send light from a point light source through the object. C frequency of the light x wavelength. History at your fingertips.
A handy trick if you dont have a calculator to hand eg youre driving is to use the Fibonacci sequence 1 1 2 3 5 8.
Miles yards meters kilometers inches etc but you can also compute traveled distance having time and average speed given in different units of speed mph kmh mps yds per second etc and you can get travel time having. Quick video on how to calculate for either the frequency or wavelength of light using the speed of light equation. Scientists have measured it by bouncing lasers back from objects and watching the way gravity acts on planets and all these experiments come up with the same figure. The speed of light could then be found by dividing the diameter of the Earths orbit by the time difference.