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If the angular momentum of an electron i...

If the angular momentum of an electron in an orbit is J then the K.E. of the electron in that orbit is

A

`(J^(2))/(2mr^(2))`

B

`(Jv)/(r)`

C

`(J^(2))/(2m)`

D

`(J^(2))/(2pi)`

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Knowledge Check

  • The angular momentum of an electron in 2p-orbital is :

    A
    ` h/(2pi)`
    B
    ` h/(2pi)`
    C
    ` h/(2pi)`
    D
    None of these

  • The angular momentum of an electron in an orbital is given as:

    A
    `L=n(n/(2pi))`
    B
    `L=l(h/(2pi))`
    C
    `L=sqrt(l(l+1))(h/(2pi))`
    D
    `L=m(h/(2pi))`

  • The angular momentum of electron in nth orbit is given by

    A
    `nh`
    B
    `(h)/(2pi n)`
    C
    `n(h)/(2pi)`
    D
    `n^(2)(h)/(2pi)`

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