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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
    • DISHA-ATOMS-PHYSICS
    1. If the following atoms and molecylates for the transition from n = 2 t...

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    2. The Lyman series of hydrogen spectrum lies in the region :

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    3. The energy levels of the hydrogen spectrum is shown in figure. There a...

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    4. Energy levels A, B, C of a certain atom corresponding to increasing va...

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    5. If m is mass of electron, v its velocity, r the radius of stationary c...

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    6. when a hydrogen atom is raised from the ground state to an excited sta...

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    7. The ratio of the kinetic energy to the total energy of an eelctron in ...

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    8. The ratio of the frequencies of the long wavelenght limits of Lyman an...

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    9. Ratio of the wavelength of first line of Lyaman series and first line ...

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    10. According to Bohr's theory the moment of momentum of an electron revol...

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    11. In the Bohr model of a hydrogen atom, the centripetal force is furnish...

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    12. Which of the following transition in hydrogen atom emit photons of big...

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    13. As par Bohr model, the minimum energy (in eV) required to remove an el...

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    14. The third line of Balmer series of an ion equivalent to hydrogen atom...

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    15. The wavelength of radiation emitted is lambda(0) when an electron jump...

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    16. The energy of electron in the nth orbit of hydrogen atom is expressed ...

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    17. Consider a hydrogen-like atom whose energy in nth excited state is giv...

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    18. In the Bohr model of the hydrogen atom, let R, v and E represent the r...

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    19. An alpha-particle of 5MeV energy strikes with a nucleus of uranium at ...

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    20. In a hypotherical Bohr hydrogen, the mass of the electron is doubled. ...

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