Home
Class 12
PHYSICS
A beam contains infrared light of a sing...

A beam contains infrared light of a single wavelength, 1000 nm, and monochromatic UV at 100 nm, both of the same intensity Are there more 100 nm photons or more 1000 nm photons ?

Text Solution

Verified by Experts

The correct Answer is:
1000 nm
1000 nm
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION A. Objective (Only one answer)|50 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION B.Objective (Only one answer)|6 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D)|10 Videos

  • CURRENT ELECTRICITY

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION-J|10 Videos

  • ELECTRIC CHARGES AND FIELDS

    AAKASH INSTITUTE|Exercise SECTION -J(Aakash Challengers Questions)|5 Videos

Similar Questions

Explore conceptually related problems

The mass of photon having wavelength 1 nm is :

The energy of a photon of radiation having wavelength 300 nm is,

The energy of a photon of wavelength 390 nm is nearly

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

The number of photons of light having wavelength 100 nm which can provide 1 J energy is nearly:

Energy of an emitted photon with wavelength 620 nm is :

An atom absorbs a photon of wavelength 500nm and emits another photon of wavelength 700nm. Find the net energy absorbed by the atom in the process.

During photosynthesis, chlorophyll absorbs light of wavelength 440 nm and emits light of wavelength 670 nm. What is the energy available for photosynthesis from the absorption-emission of a mole of photons?

(a) Calculate the momentum of a photon of light of wavelength 500 nm. (b) Find the number of photons emitted per second by a 25 W sourse of monochromatic light of wave length 600 nm. (c) How many photons per second does a one watt bulb emit if its efficiency is 10% and the wavelength of light emitted is 500 nm? (d) Monochromatic light of wavelength 300 nm is incident normally on a surface of area 4 cm^(2) . If the intensity of light is 150 m W//m^(2) , determine the rate at which photons strike the surface.

Two source of light emit X - rays of wavelenght 1 nm and visible light of wavelength 500 nm respectively . Both the source emit light of the same power 200 W. The ratio of the number density of photons of X - rays to the number density of photons of the visible light of the given wavelengths

AAKASH INSTITUTE-DUAL NATURE OF RADIATION AND MATTER -Try Yourself
  1. The following figure shows a graph for the stopping potential as a fun...

    Text Solution

    |

  2. What is the threshold wavelength for a cesium surface, for which the w...

    Text Solution

    |

  3. A beam contains infrared light of a single wavelength, 1000 nm, and mo...

    Text Solution

    |

  4. The mass of a photon in motion is given its frequency = x)

    Text Solution

    |

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

    Text Solution

    |

  6. Find the frequency of 1 MeV photon . Give wavelength of a 1 KeV pho...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. Find the retarding potential requred to stop the escape of photo elect...

    Text Solution

    |

  10. The work function of a metal is 4.2 eV , its threshold wavelength will...

    Text Solution

    |

  11. Light of wavelength 3000Å is incident on a metal surface whose work fu...

    Text Solution

    |

  12. When a monochromatic point source of light is at a distance of 0.2 m f...

    Text Solution

    |

  13. For intensity I of a light of wavelength 5000 Å the photoelectron satu...

    Text Solution

    |

  14. What will be the ratio of de - Broglie wavelengths of proton and alpha...

    Text Solution

    |

  15. Find the principle quantum number of the electon , having the de Brogl...

    Text Solution

    |

  16. The de - Broglie wavelength of a particle accelerated with 150 volt "p...

    Text Solution

    |

  17. The de - Broglie wavelength of a neutron at 27 ^(@) C is lambda. What ...

    Text Solution

    |

  18. If the kinetic energy of a free electron doubles , its de - Broglie wa...

    Text Solution

    |

  19. In Davisson-Germer experiment, if the angle of diffraction is 52^(@), ...

    Text Solution

    |

  20. Find the retarding potential required to stop electron of the de Brogl...

    Text Solution

    |