after Planck theory it is proven that light do not travel as a wave, it travel as a energy packet that is called photons and we write the formula E=hv. but I couldn't understand in this given formula why we have used frequency if it is proven that light do not travel as wave????
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De - Broglie first given the concept that
Light have duel nature
wave
partical
He done experimental prove as well as theoretical
Theoretical proof
E =mc^2 ---(1
E=hc/lamda ---(2
equating above two equation we get
lamda = h/mv
which proof that light have wave as well as partical nature
experimental proof
photoelectric effect
Bohr theory
Now
planks told that light is in form of energy packet called quanta .
He told that light is a form of energy and are packet of this energy called quanta
He doesn't told that how this energy is transmitted
it is proved by de - Broglie only and so light is form of wave as well as partical .
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Hope it may helps you
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