take time photon...
Classical Mechanics
Level
2
An electro magnetic wave with a wave length 100m travels through a solid transparent media . If the energy of the photon of the wave is 5J ,how long will it take in seconds to travel 10 m ? (Take planks constant - h as 5 Js)
The answer is 0.1.
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1 solution
As E=hc/wavelength.....c=speed of light=distance /time.Substituting for c and putting values of e,h,wavelength ,equating all these we get time=0.1s.