Home
Class 12
CHEMISTRY
The number of photons of light of wavel...

The number of photons of light of wavelength 7000 A equivalent to 1 J are

A

(a) `3.52 xx 10 ^(18)`

B

(b) ` 3.52 xx 10 ^(16)`

C

(c) ` 50,000`

D

(d) `10,0000`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • STRUCTURE OF ATOM

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION -B) Objective type questions|34 Videos
  • STRUCTURE OF ATOM

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION -C) Previous Years Questions|47 Videos
  • STRUCTURE OF ATOM

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|40 Videos
  • STATES OF MATTER

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION-D)|14 Videos
  • STRUCTURE OF ATOM

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT ( SECTION -J) Aakash Challengers Questions|12 Videos

Similar Questions

Explore conceptually related problems

what is the number of photons of light with a wavelength of 4000 pm that provide 1 J of energy ?

The energy of a photon of wavelength lambda is

The momentum of the photon of wavelength 5000 Å will be

Calculate the momentum of a photon of light of wavelength 500nm .

The mass of photon having wavelength 1 nm is :

The number of photons of light having wave number 'x' in 10 J of energy source is :

Which has a higher energy, a photon of violet light with wavelength 4000 A ˚ or a photon of red light with wavelength 7000 A ˚ ?

The number of photons of light of barv =4.5×10^5m^(−1) necessary to provide 1 J of energy are:

The number of photons of light of barv =2.5×10^6m^(−1) necessary to provide 1 J of energy are:

The number of photons of light of barv =3.5×10^6m^(−1) necessary to provide 1 J of energy are:

AAKASH INSTITUTE ENGLISH-STRUCTURE OF ATOM-ASSIGNMENT (SECTION -A) Objective type questions
  1. According to Bohr's theory energy is ...when an electron moves from a ...

    Text Solution

    |

  2. if The energy difference between the ground state and excited ...

    Text Solution

    |

  3. The number of photons of light of wavelength 7000 A equivalent to 1 J...

    Text Solution

    |

  4. The Threshold energy is given as E(0) and radiation of energy E...

    Text Solution

    |

  5. Frequency of a wave is 6 xx 10^(15) Hz. The wave is

    Text Solution

    |

  6. If the threshold wavelength (lambda(0)) for ejection of electron from...

    Text Solution

    |

  7. The ionization energy of the electron in the lowest orbit of hydrogen ...

    Text Solution

    |

  8. A certain metal when irradiated by light (v=3.2xx10^(16)Hz) emits phot...

    Text Solution

    |

  9. E(n)=-313.6//n^(2) kcal/mol. If the value of E=-34.84 kcal/mol, to whi...

    Text Solution

    |

  10. Which transition of Li^(2+) is associated with same energy chan...

    Text Solution

    |

  11. Zeeman effect refers to the

    Text Solution

    |

  12. Number of spectral lines in Balmer series when an electron retrurn ...

    Text Solution

    |

  13. If kinetic energy of a proton is increased nine times, the wavelength ...

    Text Solution

    |

  14. The number of waves in the third orbit of H - atom is

    Text Solution

    |

  15. What will be the wavelength of an electron moving with 1/10th of veloc...

    Text Solution

    |

  16. The de Broglie wavelength associated with a ball of mass 200 g and mov...

    Text Solution

    |

  17. Calculate the momentum of a particle which has de Broglie wavelength o...

    Text Solution

    |

  18. The uncertainty in velocity of an electron present in the nucleou...

    Text Solution

    |

  19. The set of quantum numbers not applicable to an electron: (n, l, m, s)

    Text Solution

    |

  20. The principal and azimuthal quantum number of electrons in 4f orb...

    Text Solution

    |