1.

According to Bohr's theory, the angular momentum of an electron is 5 th orbit is

Answer»

`1.0 h//pi`
`10 h//pi`
`2.5 h//pi`
`25h//pi`

Solution :ANGULAR MOMENTUM in NTH orbit `=(nh)/(2pi)`
`:.` Angular momentum in 5TH orbit `=(5h)/(2pi)`
`=2.5h//pi`


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