Home
Class 12
PHYSICS
An AIR station is broadcasting the waves...

An AIR station is broadcasting the waves of wavelength `300 metres`. If the radiating power of the transmitter is `10 kW`, then the number of photons radiated per second is

A

`1.5xx10^(35)`

B

`1.5xx10^(31)`

C

`1.5xx10^(29)`

D

`1.5xx10^(33)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    DISHA|Exercise Physics|50 Videos

  • ELECTROMAGNETIC INDUCTION

    DISHA|Exercise Physics|55 Videos

Similar Questions

Explore conceptually related problems

A radiostation broadcasts at frequency of 100 MHz. If the radiating power of the transmitter is 66.6 KW, then the number of photons radiated per second is [ Take h=6.66xx10^(-34)Js ]

A radio station is transmitting waves of wavelength 300 m. Radiation capacity of the transmitter is 10 kW, The number of photons emitted per unit time is

If mean wavelength of light radiated by 100 W lamp is 5000 Å , then number of photons radiated per second are

A 1000 W transmitter works at a frequency of 880kHz. The number of photons emitted per second Is

A radio station transmits waves of wavelength 300 m. If the speed of the waves is 3 xx 10^8 ms^-1 , find the frequency of the radio station.

A laser beam of output power 'P' consists only of wavelength lambda . If Planck's constant is h and the speed of light is c , then the number of photons emitted per second is

DISHA-DUAL NATURE OF MATTER AND RADIATION-Physics
  1. A hydrogen atom moving at a speed v absorbs a photon of wavelength 122...

    Text Solution

    |

  2. The de-Broglie wavelenght of an electron is 0.2 overset(@)A. Calculate...

    Text Solution

    |

  3. A photon and an electron have equal energy E . lambda("photon")//lambd...

    Text Solution

    |

  4. In a photoemissive cell, with exciting wavelength lambda, the faster e...

    Text Solution

    |

  5. Which of the following figure represents the variation of particle mom...

    Text Solution

    |

  6. The work function for the surface of aluminium is 4.2 eV. What will be...

    Text Solution

    |

  7. Slope of V(0)-v curve is- (where V(0)= Stopping potential and v=freq...

    Text Solution

    |

  8. An AIR station is broadcasting the waves of wavelength 300 metres. If ...

    Text Solution

    |

  9. A metal surface of work function 1.07 eV is irradiated with light of w...

    Text Solution

    |

  10. The fig. shows the variation of photon current with anode potential fo...

    Text Solution

    |

  11. An electromagnetic radiation of frequency 3xx10^(15) cycles per second...

    Text Solution

    |

  12. Ultraviolet light of wavelenght 280 nm is used in an experiment on pho...

    Text Solution

    |

  13. The separation between Bragg's planes in a crystal is 10overset(@)A. T...

    Text Solution

    |

  14. Electrons are accelerated in television tubes through potential differ...

    Text Solution

    |

  15. A physicist wishes to eject electrons by shining light on a metal surf...

    Text Solution

    |

  16. A physicist wishes to eject electrons by shining light on a metal surf...

    Text Solution

    |

  17. A physicist wishes to eject electrons by shining light on a metal surf...

    Text Solution

    |

  18. Assertion : Mass of moving photon varies inversely as the wavelength ....

    Text Solution

    |

  19. Assertion : Photosensitivity of a metal is high if its work function i...

    Text Solution

    |

  20. Assertion : The de - Broglie wavelength of a molecule varies inversely...

    Text Solution

    |