1.

Consider an electron in the nth orbit of a hydrogen atom in the Bohr's model. In terms of de-Broglie wavelength of that electron the circumference of the orbit is given as .

Answer»

`0.259 n lambda`
`sqrt(n ) L`
`13.6 lambda`
`n lambda`

Solution :As per wave nature of ELECTRON, CIRCUMFERENCE of nth orbit of hydrogen is equal to n times of its de-Broglie WAVELENGTH.


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