Question

Derive De Broglie relationship and give its significance?

Answer 1

Answer:

Planck's energy equivalence relation states : E = h(nu)

But nu = c/lambda (for light)

Hence De Broglie reinstated the equation and replaced c by v :

So E = h.v/lambda

It's significance is that at quantum level energy difference created due to velocity of a quantized or a very small particle is very huge and hence to calculate this De Broglie equation is used.

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Answer 2

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• De Broglie proposed that as light exhibits both wave-like and particle-like properties, matter to exhibit wave-like and particle-like properties. On the basis of his observations, de Broglie derived a relationship between wavelength and momentum of matter. This relationship is known as the de Broglie relationship.