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The ratio of the wavelengths for 2 rarr ...

The ratio of the wavelengths for `2 rarr 1` transition in `Li^(++), He^(+)` and `H` is

A

`1:2:3`

B

`1/9:1/4:1/1`

C

`1:4:1`

D

`3:2:1`

Text Solution

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The correct Answer is:
B
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The ratio of the wavelengths for 2 rarr 1 transition in Li^(2+) , He^+ and H is :

What transition in the hydrogen spetrum would have the same wavelength as the balmer transition n = 4 to He^(o+) spectrum ?

Knowledge Check

  • The ratio of the wavelengths for 2 rarr 1 transition in Li^(2+) , He^+ and H is :

    A
    `1:2:3`
    B
    `1/9:1/4:1/1`
    C
    `1:4:1`
    D
    `3:2:1`

  • Which transition in Li^(2 +) would have the same wavelength as the 2 rarr 4 transition in He^(+) ion ?

    A
    `4 rarr 2`
    B
    `2 rarr 4`
    C
    `3 rarr 6`
    D
    `6 rarr 2`

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    The shortest wavelength of transition in Paschen series of He^(+) ion in nanometer (nm) is (1/(R_(H))=91.12nm) .

    What transition in the hydrogen spectrum would have the same wavelength as the Balmer transition n=4 to n=2 of He^(+) spectrum ?

    Calculate the ratio of the wavelength of the first and the nltimate line of the ballmer of Li^(2+) ?

    Calculate the ratio of wavelengths of the first line for the Balmer series for He^(+) ion and the second linefor the Balmer series for Li^(2+) ion?

    (i) Which is highest frequency photon that can be emitted from hydrogen atom? What is wavelength of this photon? (ii) Calclate the longest wavelength transition in the Pashen series of He^(+) . (iii) Calculate the ratio of the wavelength of first and the ultimate line of Balmer sereis of Li^(2+) ?

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