Home
Class 12
CHEMISTRY
The energy per quantum associated with l...

The energy per quantum associated with light of wavelength `250xx10(-19)` meter is:

A

`8.95xx10(-12)`erg

B

`7.95xx10(-19)`erg

C

`8.95xx10(-19)`erg

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • STATES OF MATTER (GASES AND LIQUIDS)

    MBD PUBLICATION|Exercise QUESTION BANK|345 Videos

  • SURFACE CHEMISTRY

    MBD PUBLICATION|Exercise Question Bank|390 Videos

Similar Questions

Explore conceptually related problems

Calculate the energy associated with a photon of wavelength 5000 A^@ , in eV.

What is the energy in joule of a photon of light with wavelength 4.0xx10^3 nm ?

A photon has energy equal to 10^10 eV . Calculate its wavelength.

MBD PUBLICATION-STRUCTURE OF ATOM-QUESTION TYPE
  1. The number of nodal planes is greatest for the orbital:

    Text Solution

    |

  2. For which species, Bohr's theory does not apply:

    Text Solution

    |

  3. Number of unpaired electrons in the electronic configuration 1s^2, 2s^...

    Text Solution

    |

  4. Which represents the correct set of four quantum number of a 4d-electr...

    Text Solution

    |

  5. The value of bohr's radius for hydrogen atom is:

    Text Solution

    |

  6. The threshold wavelength for photoelectric effect on sodium is 5000 ov...

    Text Solution

    |

  7. sqrt2.h/(2pi)

    Text Solution

    |

  8. The total energy of the electron in the hydrogen atom in the ground st...

    Text Solution

    |

  9. If the series limit of wavelength of the Lyman series for the hydrogen...

    Text Solution

    |

  10. The difference in angular momentum associated with the electron in two...

    Text Solution

    |

  11. Ionisation potential of Hydrogen atom is 13.6 eV. Hydrogen atom in the...

    Text Solution

    |

  12. The energy per quantum associated with light of wavelength 250xx10(-19...

    Text Solution

    |

  13. The shortest lambda for the Lyman series is…. (Given RH=109678 cm^(-1...

    Text Solution

    |

  14. The longest lambda for the Lyman series is…. (Given RH=109678 cm^(-1)...

    Text Solution

    |

  15. The lambda for Halpha line of Balmer series is 6500 overset@A. Thus la...

    Text Solution

    |

  16. Mosley's name is connected with the discovery of:

    Text Solution

    |

  17. The ratio of specific charge (e/m) of an electron to that of a hydroge...

    Text Solution

    |

  18. The mass of an electron is m, its charge e and it is accelerated from ...

    Text Solution

    |

  19. In the above question, the velocity acquired by the electron will be:

    Text Solution

    |

  20. The e/m is not constant for:

    Text Solution

    |