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State de-Broglie hypothesis....

State de-Broglie hypothesis.

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On the basis of the de Broglie hypothesis, obtain the expression for the de Broglie wavelength associated with an electron accelerated from rest through a p.d. V.

Assertion : If the wavelength lamda of photon and de Broglie wavelength of electron are same , their energy is also same. Reason : Momentum of both the particles is same by de Broglie hypothesis.

The de-Broglie hypothesis predicts that a wave associated with any object has momentum. Why do we not observe the wave nature of a moving car?

Wave natures of particles and de-broglie hypothesis| Heisenberg's uncertainity principle & Wave mechanical model of atom

Wave natures of particles and de-broglie hypothesis| Heisenberg's uncertainity principle & Wave mechanical model of atom

(a) State Bohr's postulate to define stable orbits in hydrogen atom. How does de Broglie's hypothesis explain the stability of these orbits ? (b) A hydrogen atom initially in the ground state absorbs a photon which excites it to then n = 4 level . Estimate the frequeny of the photon.