Home
Class 12
PHYSICS
Energy of an quanta of frequency 10^(15)...

Energy of an quanta of frequency `10^(15) Hz` and `h = 6.6 xx 10^(-34) J - sec` will be

A

`6.6 xx 10^(-19) J`

B

`6.6 xx 10^(-12) J`

C

`6.6 xx 10^(-49) J`

D

`6.6 xx 10^(-41) J`

Text Solution

Verified by Experts

The correct Answer is:
A

`E = hv = 6.6 xx 10^(-34) xx 10^(15) = 6.6 xx 10^(-19) J`
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    A2Z|Exercise Photo Electric Effect|61 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    A2Z|Exercise X-Rays|45 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    A2Z|Exercise Section D - Chapter End Test|30 Videos
  • CURRENT ELECTRICITY

    A2Z|Exercise Section D - Chapter End Test|29 Videos
  • ELECTRIC CHARGE, FIELD & FLUX

    A2Z|Exercise Section D - Chapter End Test|29 Videos

Similar Questions

Explore conceptually related problems

The energy of a photon of frequency 4 xx 10^(15) Hz is ?

What is the energy of a photon (in eV), whose frequency is 10^(12) MHz? [ h=6.63xx10^(-34) ]

When the electromagnetic radiations of frequencies 4 xx 10^(15) Hz and 6 xx 10^(15) Hz fall on the same metal, in different experiments, the ratio of maximum kinetic energy of electrons liberated is 1 : 3 . The threshold frequency for the metal is

The kinetic energy of the electron emitted when light of frequency 3.5 xx 10^15 H z falls on a metal surface having threshold frequency 1.5 xx 10^15 H z is (h = 6.6 xx 10^-34 Js) .

The energy of a photon of wavelength 4000 Å is (use h=6.66xx10^(-34) J-s)

The frequency of a photon , having energy 100 eV is ( h = 6.610^(-34) J - sec)

If the total energy of radiation of frequency 10^(14)Hz is 6.63J , calculate the number of photons in the radiation. (Planck's constant =6.63xx10^(-34)J-s ).

Determine the energy of 1 mole photons of radiations whose frequency is 5xx10^(10)s^(-1)" "(h=6.62xx10^(-34)J-s) .

The de - Broglie wavelength of an electron having 80 ev of energy is nearly ( 1eV = 1.6 xx 10^(-19) J , Mass of electron = 9 xx 10^(-31) kg Plank's constant = 6.6 xx 10^(-34) J - sec )

A2Z-DUAL NATURE OF RADIATION AND MATTER-Photo Momentum Energy
  1. The momentum of a photon in an X - ray beam of 10^(-10) metre waveleng...

    Text Solution

    |

  2. The energy of a photon of light with wavelength 5000 Å is approximatel...

    Text Solution

    |

  3. Energy of an quanta of frequency 10^(15) Hz and h = 6.6 xx 10^(-34) J ...

    Text Solution

    |

  4. Momentum of a photon of wavelength lambda is

    Text Solution

    |

  5. Wavelength of a 1 ke V photon is 1.24 xx 10^(-9) m. What is the freque...

    Text Solution

    |

  6. What is the momentum of a photon having frequency 1.5 xx 10^(13) Hz ?

    Text Solution

    |

  7. Which of the following statements is not correct?

    Text Solution

    |

  8. If we express the energy of a photon in KeV and the wavelength in angs...

    Text Solution

    |

  9. The frequency of a photon , having energy 100 eV is ( h = 6.610^(-34) ...

    Text Solution

    |

  10. A photon of wavelength 4400 Å is passing through vaccum. The effective...

    Text Solution

    |

  11. A radio transmitter operates at a frequency of 880 kHz and a power of ...

    Text Solution

    |

  12. Energy of photon whose frequency is 10^(12) MHz, will be

    Text Solution

    |

  13. There are n(1) photons of frequency gamma(1) in a beam of light . In a...

    Text Solution

    |

  14. If mean wavelength of light radiated by 100 W lamp is 5000 Å , then nu...

    Text Solution

    |

  15. When wavelength of incident photon is decreased then

    Text Solution

    |

  16. If the energy of a photon corresponding to a wavelength of 6000 Å is 3...

    Text Solution

    |

  17. If the wavelength of light is 4000 Å, then the number of waves in 1 mm...

    Text Solution

    |

  18. If the energy of the photon is increased by a factor of 4 , then its m...

    Text Solution

    |

  19. The ratio of the energy of a photon with lambda = 150 m to that with l...

    Text Solution

    |

  20. The minimum wavelength of photon is 5000 Å , its energy will be

    Text Solution

    |