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Ionisation potential of hydrogen atom is...

Ionisation potential of hydrogen atom is 13.6 eV. Hydrogen atom is ground state is excited by monochromatic light of energy 12.1 eV. The spectral lines emitted by hydrogen according to bohr's theory will be-

A

one

B

two

C

three

D

four

Text Solution

Verified by Experts

The correct Answer is:
C
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H- atoms in ground state (13.6eV) are excited by monochromatic radiations of photon of energy 12.1eV. Find the number of spectral lines emitted in H-atom.

The ionisation potential of hydrogen atom is 13.6 eV . An electron in the ground state of hydrogen atom absorbs a photon of energy 12.75 eV. How many different spectral lines can one expect when the electron makes a downward transition ?

Knowledge Check

  • Hydrogen atom in ground state is excited by a monochromatic radiation of lambda=975"Å" . Number of spectral lines in the resulting spectrum emitted will be

    A
    3
    B
    2
    C
    6
    D
    10

  • Statement I: Ionisation potential of hydrogen atom is 13.6 eV. Statement II: Ground state energy of hydrogen atom is 13.6 eV.

    A
    Direction: These question have statement I and statement II. Of the four choices given below , choose the one that best describes the two statements.
    A : Statement I is true , statement II is true, statement II is a correct explanation for statement I.
    B: Statement I is true , statement II is true, statement II is not a correct explanation for statement I.
    C: Statment I is true, statement II is false.
    D: Statement I is false, statement II is true.
    B
    Direction: These question have statement I and statement II. Of the four choices given below , choose the one that best describes the two statements.
    A : Statement I is true , statement II is true, statement II is a correct explanation for statement I.
    B: Statement I is true , statement II is true, statement II is not a correct explanation for statement I.
    C: Statment I is true, statement II is false.
    D: Statement I is false, statement II is true.
    C
    Direction: These question have statement I and statement II. Of the four choices given below , choose the one that best describes the two statements.
    A : Statement I is true , statement II is true, statement II is a correct explanation for statement I.
    B: Statement I is true , statement II is true, statement II is not a correct explanation for statement I.
    C: Statment I is true, statement II is false.
    D: Statement I is false, statement II is true.
    D
    Direction: These question have statement I and statement II. Of the four choices given below , choose the one that best describes the two statements.
    A : Statement I is true , statement II is true, statement II is a correct explanation for statement I.
    B: Statement I is true , statement II is true, statement II is not a correct explanation for statement I.
    C: Statment I is true, statement II is false.
    D: Statement I is false, statement II is true.

  • A hydrogen atom in the ground state is excited by monochromatic radiation of wavelength lambda overset@ . The resulting spectrum consists of maximum 15 different lines. What is the wavelength lamda ?

    A
    `937.3Aoverset@`
    B
    `1025oversetA^@`
    C
    `1236Aoverset@`
    D
    none of these

    • Similar Questions

    Explore conceptually related problems

    The ionisation potential hydrogen atom is 13.6 V. when the atom is in n-th energy state. The maximum energy of the emitted photon is 12.1eV . What is the value of n?

    The ground state energy of hydrogen atom is - 13.6 eV :- What does negative sign indicate?

    The ionisation energy of a hydrogen atom is 13.6 eV. Estimate the energy required to excite it from its ground state to the next state.

    Energy in the ground state of hydrogen atom is -13.6 eV . What are the energies of its second and third excited states ?

    Out of the following which one is not a possible energy for a photon to be emitted by hydrogen atom according to Bohr's atomic model ?

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