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What will be the angular momentum of a ...

What will be the angular momentum of a electron,if energy of this electron in H-atom is 1.5eV (in J-sec)
(A) `1.05times10^(-34)`
(B)`2.1times10^(-34)`
(C)`3.15times10^(-34)`
`(D)-2.1times10^(-34)`

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