Home
Class 12
PHYSICS
A 100 watt sodium lamp is emitting light...

A 100 watt sodium lamp is emitting light of W.L 5890Å . Calculate the rate of emission of photons.

Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF MATTER AND RADIATION

    BINA LIBRARY|Exercise EXERCISE|68 Videos

  • CURRENT ELECTRICITY

    BINA LIBRARY|Exercise EXERCISE|107 Videos

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    BINA LIBRARY|Exercise EXERCISE|101 Videos

Similar Questions

Explore conceptually related problems

A 200 watt bulb emits mono chromatic light of wave lenth 400 nm. Calculate the number of photons emitted per sec by the bulb.

A light bulb is rated at 100W for a 220V ac supply. Calculate the resistance of the bulb.

Calculate the number of photons emitted per second by a 10 W sodium vapour lamp. Assume that 60% of the consumed energy is converted into light. Wavelength of sodium light = 590 nm.

An electron and a photon each have a W.L. of 2Å . What are their momenta?

BINA LIBRARY-DUAL NATURE OF MATTER AND RADIATION-EXERCISE
  1. A 100 watt sodium lamp is emitting light of W.L 5890Å . Calculate the ...

    Text Solution

    |

  2. What is photoelectric emission?

    Text Solution

    |

  3. What is secondary emission?

    Text Solution

    |

  4. What is meant by work function?

    Text Solution

    |

  5. Does work function depend on the frequency of incident radiation?

    Text Solution

    |

  6. Define one electron volt.

    Text Solution

    |

  7. An electron is accelerated through a potential difference of 1000 V. W...

    Text Solution

    |

  8. Find the dimestion of Planck's constant.

    Text Solution

    |

  9. What is thresold frequency?

    Text Solution

    |

  10. What is cut-off or stopping potential?

    Text Solution

    |

  11. What is the momentum of a photon of frequency f and wavelength lamb...

    Text Solution

    |

  12. What is rest mass of photon?

    Text Solution

    |

  13. On what factor does the energy carried by a photon of light depend?

    Text Solution

    |

  14. If maximum K.E. of electron emitted by a photo cell is 4 eV, what is t...

    Text Solution

    |

  15. In what way de - Broglie wavelength lambdaof a particle is related to ...

    Text Solution

    |

  16. How does the maximum K.E. of electron emitted vary with work function ...

    Text Solution

    |

  17. Does work function depend on the frequency of incident radiation?

    Text Solution

    |

  18. How does stopping potential vary on increasing the intensity of incide...

    Text Solution

    |

  19. What is the frequency of radiation whose photon has energy 20 eV?

    Text Solution

    |

  20. The work function of a metal is 3.45 eV. Calculate what should be the ...

    Text Solution

    |

  21. A 100 watt sodium lamp is emitting light of W.L 5890Å . Calculate the ...

    Text Solution

    |