Home
Class 11
CHEMISTRY
A hydrogen atom in the ground state is e...

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

Text Solution

Verified by Experts

The correct Answer is:
A
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • BASICS IN CHEMISTRY

    PATHFINDER|Exercise QUESTION BANK|26 Videos

Similar Questions

Explore conceptually related problems

Hydrogen atom in its ground state, is excited by means of monochromatic radiation of wavelength 975 Å . How many different lines are possible in the resulting spectrum ? Calculate the longest wavelength amongst them. Given, ionisation energy of hydrogen atom is 13.6 eV.

Hydrogen atoms in the ground state are excited by means of radiation of wavelength 1026 Å. Find out the wavelength of radiation that this excited atoms can emit when they come back to ground state. Given, h=6.625xx10^(-34)J*s,c=3xx10^(8)m*s^(-1), 1 eV =1.6xx10^(-19)J ionisation energy of hydrogen = 13.62 eV.

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
  • Ionisation potential of hydrogen atom is 13.6 eV. Hydrogen atom in 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
  • 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
  • Similar Questions

    Explore conceptually related problems

    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.

    On absorption of radiation of wavelength 1219 Å, a hydrogen atom is excited from ground state to the n-th energy state. What is the value of n?

    An electron in a hydrogen atom in the ground state absorbs energy equal to 1.5 time the energy required to remove the electron completely from the hydrogen atom. Calculate the velocity and wavelength of the electron emitted.

    The ionization energy of hydrogen atom in the ground state is 1312 kJ "mol"^(-1) . Calculate the wavelength of radiation emitted when the electron in hydrogen atom makes a transition from n = 2 state to n = 1 state (Planck’s constant, h = 6.626 xx 10^(-34) Js , velocity of light, c = 3 xx 10^8 m s^(-1) , Avogadro’s constant, N_A = 6.0237 xx 10^23 "mol"^(-1) ).

    The electron in a hydrogen atom is in n=2 state. When it drops to the ground state a photon is emitted. What is the wavelength of photon?