Obtain Bohr's quantization condition on the basis of the web nature of an electron.

If an electron moves in a circular orbit of radius R around A nucleus then the circular orbit can be taken to a stationary energy state only, when it contains an integral multiple of de Broglie wavelength,I.e.

          nλ=2πr

         =>n   h/mv=2πr

         =>mvr=hλ/2π