Home
Class 11
CHEMISTRY
The sodium flame test has a characterist...

The sodium flame test has a characteristic yellow colour due to emissions of wavelength '589 nm .' What is mass equivalence of one photon of this wavelength? '(h= 6.626 xx 10^-(34) Js)'

Promotional Banner

Topper's Solved these Questions

  • STATES OF MATTER

    V PUBLICATION|Exercise QUESTION BANK|97 Videos

  • THE p - BLOCK ELEMENTS

    V PUBLICATION|Exercise QUESTION BANK|107 Videos

Similar Questions

Explore conceptually related problems

Calculate the energy of a radiation having a wavelength of '4000 A (h=6.6 xx 10^(-34)) J s)'

The photon has a momentum as well as wavelength A photon has a mass of 8.6xx10^(-30) kg. Calculate the wavelength (h=6.626xx10^(-34)Js)

The de Broglie wavelength of a ball of mass 0.12 kg is 2.76 * 10^-34 m. Calculate the speed of the ball. (h = 6.625 x 10^-34 Js)

The photon has a momentum as well as a wavelength . A photon has a mass of 8.6 xx 10^(-30) kg. Calculate the wavelength. [Plank's constant, h = 6.626 xx 10^(-34) Js]

Calculate the uncertainty in the determination of velocity of a ball of mass 200 g. If the uncertainty in the determination of position is 1Å. [h= 6.626 xx 10^(-34) ]

The photon has a momentum as well as a wavelength. A photon has a mass of 8.5xx10^-30 kg . Calculate the wavelength.[Planck's constant, h=6.626xx10^-34 Js ]

V PUBLICATION-STRUCTURE OF ATOM-QUESTION BANK
  1. Calculate the wave length of an electron that has been accelerated in ...

    Text Solution

    |

  2. The quantized energy of an electron in hydrogen atom for the n^(th) it...

    Text Solution

    |

  3. The sodium flame test has a characteristic yellow colour due to emissi...

    Text Solution

    |

  4. The ionisation energy of sodium is '494.7 kJ' mol '^(-1)'. Calculate t...

    Text Solution

    |

  5. An electron is moving with kinetic energy of '2.275 xx 10^(-25) J .' C...

    Text Solution

    |

  6. What is the wavelength of an electron if its kinetic energy is '4.55 x...

    Text Solution

    |

  7. Electrons with wavelength '12 pm' are used for electron diffraction. W...

    Text Solution

    |

  8. A radiation has a frequency of '6 xx 10^(14)' cycles per second (or 'H...

    Text Solution

    |

  9. Calculate the energy of a radiation having a wavelength of '4000 A (h=...

    Text Solution

    |

  10. Calculate the wavelength of the first and the last line in the Balmer ...

    Text Solution

    |

  11. Calculate the uncertainty in momentum of an electron if uncertainty in...

    Text Solution

    |

  12. Find (i) the total number and (ii) the total mass of neutrons in 7 mg ...

    Text Solution

    |

  13. A neutral atom possesses 92 protons and 146 neutrons. Find its atomic ...

    Text Solution

    |

  14. A photon of wave length 400 nm strikes a metal surface. The electrons ...

    Text Solution

    |

  15. Nitrogen has the electronic configuration '1 s^2 2 s^2 px^1 2 py^1 2 p...

    Text Solution

    |

  16. The correct set of quantum numbers for the unparied electron of 'Cl' a...

    Text Solution

    |

  17. Which of the following represents a correct set of quantum numbers of ...

    Text Solution

    |

  18. An electron has a speed of '600 m / s' with an accuracy of '0.005 % .'...

    Text Solution

    |

  19. The númber of nodal planes '5d' orbital has, is

    Text Solution

    |

  20. The total number of orbitals in a shell having principal quantum numbe...

    Text Solution

    |