Home
Class 10
PHYSICS
Hydrogen atom in ground state is excited...

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

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NUCLEAR PHYSICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (STATE WHETHER THE FOLLOWING STATEMENTS ARE TRUE OR FALSE : IF FALSE CORRECT THE STATEMENT)|22 Videos

  • NUCLEAR PHYSICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (MATCH THE FOLLOWING)|6 Videos

  • NUCLEAR PHYSICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (CHOOSE THE CORRECT ANSWER)|67 Videos

  • MODEL QUESTION PAPER HIGHER LEVEL

    SURA PUBLICATION|Exercise Subjective Questions|25 Videos

  • OPTICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (Higher Order Thinking Skills (HOTS))|6 Videos

Similar Questions

Explore conceptually related problems

lonization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state are excited by monochromatic radiation of photon energy 12.1 eV. The spectral lines emitted by hydrogen atoms according to Bohr's theory will be

Hydrogen atoms are excited from ground state to the state of priciple quantum number 4.Then the number of spectral lines observed will be

The radius of hydrogen atom, in the ground state is of the order of

The ionization energy of the electron in the hydrogen atom in its ground state is 13.6 eV. The atoms are excited to higher energy levels to emit radiations of 6 wavelengths. Maximum wavelength of emitted radiation corresponds to the transition between

When a hydrogen atom is raised from the ground state to an excited state

The energy needed to detach the electron of a hydrogen like ion in ground state is a 4 Rydberg. (a) what is the wavelength of the radiation emitted when the electron jumps from the first excited state to the ground state? (b) What is the radius of the orbit for this atom?

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) ).

A hydrogen atom in ground state absorbs 10.2eV of energy .The orbital angular momentum of the electron is increases by

Find the temperature at which the everage thermal kinetic energy is equal to the energy needed to take a hydrogen atom from its ground state n = 3 state hydrogen can now emit rod light of wavelength 653.1 nm because of maxwellan distribution of speeds a hydrogen sample emits red light at temperature much lower than that obtained from this problem Asuume that hydrogen that hydrogen molecules dissociate into atoms

SURA PUBLICATION-NUCLEAR PHYSICS-ADDITIONAL QUESTIONS & ANSWER (FILL IN THE BLANKS)
  1. Two particles of masses m1, m2 move with initial velocities u1 and u2....

    Text Solution

    |

  2. When a radioactive nucleus disintegrates by emitting a atomic number ...

    Text Solution

    |

  3. Hydrogen atom in ground state is excited by a monochromatic radiation ...

    Text Solution

    |

  4. I Becequerel= disintegrations per second.

    Text Solution

    |

  5. Consider 3rd orbit of He+ (Helium), using non- relativistic approach, ...

    Text Solution

    |

  6. Curie is defined as the quantity of radioactive substance which gives ...

    Text Solution

    |

  7. The activity of one gram of radium is equal to .

    Text Solution

    |

  8. Artificial radioactivity was discovered by

    Text Solution

    |

  9. In the spectrum of hydrogen, the ratio of the longest wavelength in th...

    Text Solution

    |

  10. Electron in hydrogen atom first jumps from third excited state to seco...

    Text Solution

    |

  11. In the hydrogen spectrum, the ratio of the longest wavelength in the B...

    Text Solution

    |

  12. In the spectrum of hydrogen, the ratio of the longest wavelength in th...

    Text Solution

    |

  13. The radioactive isotope used to diagnose anaemia is .

    Text Solution

    |

  14. An electron of a stationary hydrogen atom passes from the fifth energy...

    Text Solution

    |

  15. The transition from the state n=3 to n=1 in a hydrogen like atom resul...

    Text Solution

    |

  16. The radioactive isotope used in estimating the age of specimens is .

    Text Solution

    |

  17. The wavelength of the first line of Lyman series for hydrogen atom is ...

    Text Solution

    |

  18. An electron in the hydrogen atom jumps from excited state n to the gro...

    Text Solution

    |

  19. Out of the following which one is not a possible energy for a photon t...

    Text Solution

    |

  20. The energy of a hydrogen atom in the ground state is -13.6 eV. The ene...

    Text Solution

    |