1.

What is the difference of angular momenta of an electron between two consecutive orbits in hydrogen atom?

Answer»

`(h)/(pi)`
`(h)/(2pi)`
`(h)/(2)`
`(2pi)/(h)`

Solution :Angular momentum in (N+1) orbit
`l_(n+1)=((n+1)h)/(2pi)`
Angular momentum in `n^(th)` orbit `I_(n) = (nh)/(2pi)`
`:.` DIFFERENCE of angular momenta between two CONSECUTIVE orbits.
`=l_(n+1)-l_(n)=(nh)/(2pi)+(h)/(2pi)-(nh)/(2pi)=(h)/(2pi)`


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