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The hydrogen-like species Ļi^(2+) is in ...

The hydrogen-like species `Ļi^(2+)` is in a spherically symmetric state `S_(1)` with one radial node. Upon absorbing light the ion undergoes transition to a state `S_(2)` The state `S_(2)` has one radial node and its energy is equal to the ground state energy of the hydrogen atom.
The state `S_(1)` is: 1s, 2s, 2p, 3s

A

1s

B

2s

C

2p

D

3s

Text Solution

Verified by Experts

The correct Answer is:
B
2s is symmetrical having one radial node.
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Knowledge Check

  • The hydrogen-like species Ļi^(2+) is in a spherically symmetric state S_(1) with one radial node. Upon absorbing light the ion undergoes transition to a state S_(2) The state S_(2) has one radial node and its energy is equal to the ground state energy of the hydrogen atom. Energy of the state S_(1) in units of the hydrogen atom ground state energy is:

    A
    `0.75`
    B
    `1.50`
    C
    `2.25`
    D
    `4.50`

  • The hydrogen-like species Ļi^(2+) is in a spherically symmetric state S_(1) with one radial node. Upon absorbing light the ion undergoes transition to a state S_(2) The state S_(2) has one radial node and its energy is equal to the ground state energy of the hydrogen atom. The orbital angular momentum quantum number of the state S_(2) is:

    A
    0
    B
    1
    C
    2
    D
    3

  • The ratio of the de Broglie wavelengths of the electron in the 2nd excited state of hydrogen atom and the 1st excited state of Li?' ion is:

    A
    `3/2`
    B
    `9/2`
    C
    `7/2`
    D
    `1/2`

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