Home
Class 11
CHEMISTRY
Calculate the frequency of the light emi...

Calculate the frequency of the light emitted when an electron Jumps form n=3 to n =1 [R = `1096789 cm^-1`]

Promotional Banner

Topper's Solved these Questions

  • MODEL QUESTION PAPER 17

    UNITED BOOK HOUSE|Exercise EXERCISE|49 Videos
  • MODEL QUESTION PAPER 19

    UNITED BOOK HOUSE|Exercise EXERCISE|62 Videos

Similar Questions

Explore conceptually related problems

Calculate the frequency nad wave length of the energy emitted when the electron jumps from 4th orbit to 1st orbit of a H-atom.

Calculate the wavalength of radiation emitted when electron in a hydrogen atom jumps from n=oo to n=1 .

Total number of spectral lines emitted when an electron jumps from n=5 to n=1 in hydrogen atom is

What will be the wavelength of the light emitted due to a transition of electron from n = 3 orbit to n = 2 orbit in hydrogen atom? Given: the Rydberg constant for hydrogen atom is R_(H) = 1.09 xx 10^(7) m^(-1) .

What will be the wavelength of the light emitted due to a transition of electron from n=3 orbit to n=2 orbit in hydrogen atom ? Given : in the Rydbeg constant for hydrogen atom is R_H=1.09xx10^(7) m^(-1) .

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) ).

Using Bohr's postulates, derive the expression for the frequency of radiation emitted when electron in hydrogen atom undrgoes transition from higher energy state (quantum number n_i ) to the lower state ( n_f ). When electron in hydrogen atom jumps from energy state n_i=4 to n_f=3,2,1 , identify the spectral series to which the emission lines belong.

The threshold frequency, v_(0) for a metal is 7.0xx10^(14)s^(-1) . Calculate the kinetic energy of an electron emitted, when radiation of frequency v=1.2xx10^(15)s^(-1) , strikes this metal.

UNITED BOOK HOUSE-MODEL QUESTION PAPER 18-EXERCISE
  1. Illustrate with example law of multiple proportion.

    Text Solution

    |

  2. Give the difference between orbit and orbital.

    Text Solution

    |

  3. Calculate the frequency of the light emitted when an electron Jumps fo...

    Text Solution

    |

  4. How would you synthesise Borax form coletnanite.

    Text Solution

    |

  5. Compare the acidic nature of the oxides of Group 13 elements.

    Text Solution

    |

  6. Which one is less basic methylamine and aniline.

    Text Solution

    |

  7. What is particulate matter give example.

    Text Solution

    |

  8. If the wave length and energy of an electron be lambda and E then show...

    Text Solution

    |

  9. Write one differences between-particle and wave.

    Text Solution

    |

  10. Derive de Broglies wave particle dnality eqn. Which quantum number is ...

    Text Solution

    |

  11. Arrange with proper expiation in ascending order of Basisity of the fo...

    Text Solution

    |

  12. Find the position of the element having atomic number 21 in the period...

    Text Solution

    |

  13. What is sigma and pi bond? Which one is stronger among them?

    Text Solution

    |

  14. The bond length and dipole moment of the covalent compound AB is 1.2 o...

    Text Solution

    |

  15. Write the Vander Walls equation for n'mole of the real gas.

    Text Solution

    |

  16. For the following reaction at 298K 2X + Y rarr Z DeltaH = 300 kj m...

    Text Solution

    |

  17. What is state function? Give example what do you mean by intrernal ene...

    Text Solution

    |

  18. Balance the equation by oxidation number method. K2Cr2O7 +FeSO4 + H2SO...

    Text Solution

    |

  19. What is the oxidation sate of Cr in CrO(5)?

    Text Solution

    |

  20. What is volume strength? Which one is more powerful 10 volume and 10% ...

    Text Solution

    |