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If the following atoms and molecylates f...

If the following atoms and molecylates for the transition from `n = 2` to `n = 1`, the spectral line of minimum wavelength will be produced by

A

Hydrogen atom

B

Deuterium atom

C

Uni-ionized helium

D

Di-ionized lithium

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Knowledge Check

  • For the transition from n=2 to n=1 , which of the following will produce shortest wavelength ?

    A
    H atom
    B
    D atom
    C
    `He^(+) ion`
    D
    `Li^(2+)`ion

  • In each of the following atoms or ions, electronic transition from n = 4 to n = 1 take place. The frequency of the radiation emitted out will be minimum for

    A
    Hydrogen atom
    B
    Deuterium atom
    C
    `He^(+)` ion
    D
    `Li^(2+)` ion

  • There is transition from n=1 to n=2 and then n=2 to n=3, then

    A
    `deltaE` value as well as frequency are additive
    B
    wavelenght as well as frequency are additive
    C
    `DeltaE` values as well as wavelength are additive
    D
    all the parameters, (`DeltaE`, frequency and wavelength are additive

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    The transition of electron from n = 3 to n = 1 in H atom produces

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