1.

The ratio of angular momentum of the electron in the first allowed orbit to that in the second allowed orbit of hydrogen atom is :

Answer»

`SQRT(2)`
`sqrt(1//2)`
`(1)/(2)`
2

Solution :`L=N(h)/(2PI)THEREFORE (L_(1))/(L_(2))=(n_(1))/(n_(2))=(1)/(2)`


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