Home
Class 12
PHYSICS
If inside the photo cell instead of vacc...

If inside the photo cell instead of vaccum,an inert gas is filled, then the photoelectric current.

A

decreases

B

increases

C

remains same

D

it does not depend on the gas filled in the photo cell

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Dual Nature of Radiation and Matter

    CHETANA PUBLICATION|Exercise EXERCISE|89 Videos
  • Current Electricity

    CHETANA PUBLICATION|Exercise Exercise|92 Videos
  • Electromagnetic Induction

    CHETANA PUBLICATION|Exercise EXERCISE|109 Videos

Similar Questions

Explore conceptually related problems

Light of frequency 1.5 times the threshold frequency is incident on a photo-sensitive material. If the frequency is halved and the intensity is doubled, the photoelectric current becomes

The photoelectric work function of the emitter of photoelectric cell is 2 eV.Whenemitter is irradiated by monochromatic light of certain wavelength, the photoelectric current can just be reduced to zero by applying stopping potential of 1.5 V. Find the wavelength of incident light.

The photoelectric work function of the emitter of a photoelectric cell is 2 eV. When the emitter is irradiated by monochromatic light of certain wavelength,the photoelectric current can just be reduced to zero by applying a stopping potential of 1.5 volt. Determine the wavelength of incident .

The photoelectric current in a photoelectric cell can be reduced to zero by a stopping potential of 1.8 volt. Monochromatic light of wavelength 2200 overset(@)(A) is incident on the cathode. Find the maximum kinetic energy of the photoelectrons in joules. [Charge on electron = 1.6 xx 10^-19 C ]

when a monochromatic point source of light is at a distance 0.2 m from a photoelectric cell, the saturation current and cut-off voltage are 12.0 mA and 0.5 V. If the same source is placed 0.4 m away from the photoelectric cell, then the saturation current and the stopping potential respectively are

Light of intensity 10^ −5 W/m 2 falls on a sodium photo-cell of surface area 2 cm^ 2 . Assuming that the top 5 layers of sodium absorb the incident energy, estimate time required for photoelectric emission in the wave-picture of radiation. The work function for the metal is given to be about 2 eV. What is the implication of your answer?

In photo electric effect, why should the photoelectric current increase as the intensity of monochromatic radiation incident on a photosensitive surface is increased? Explain .

Which of the following statements is NOT correct for saturation current in a photoelectric cell?

CHETANA PUBLICATION-Dual Nature of Radiation and Matter-EXERCISE
  1. The slope of frequency of incident light and stopping potential for a ...

    Text Solution

    |

  2. Light of frequency 4nu0 is incident on the metal of the threshold fre...

    Text Solution

    |

  3. If inside the photo cell instead of vaccum,an inert gas is filled, the...

    Text Solution

    |

  4. Momentum of a photon of wavelength 500overset@ A is…..

    Text Solution

    |

  5. Photoelectric cell is also called

    Text Solution

    |

  6. Which of the following phenomena exhibits particle nature of light

    Text Solution

    |

  7. Polychromatic (containing many different frequencies) radiation is use...

    Text Solution

    |

  8. The fast moving electrons are emitted by subjecting the metal surface ...

    Text Solution

    |

  9. Threshold frequency for photoelectric effect on sodium corresponds to ...

    Text Solution

    |

  10. The photoelectric work function of the emitter of a photocell is 3.63e...

    Text Solution

    |

  11. Thede-Broglie wave corresponding to a particle of mass m and velocity ...

    Text Solution

    |

  12. The following particles are moving with the same speed. The shortest w...

    Text Solution

    |

  13. A photon and an electron have the same wavelength then, the velocity o...

    Text Solution

    |

  14. The de-Broglie wavelength lambda. of a particle isrelated to its kinet...

    Text Solution

    |

  15. The de Broglie wavelength of 1 mg grain of sand blown by a wind at the...

    Text Solution

    |

  16. Ana-particle and alpha- protonare accelerated through same p.d. The r...

    Text Solution

    |

  17. If alpha-particle and a proton has same K.E. then the ratio of their w...

    Text Solution

    |

  18. Wavelength of an electron accelerated by potential difference of 'V' v...

    Text Solution

    |

  19. An electron is accelerated through a potential difference of 150 V. Fi...

    Text Solution

    |

  20. An electron is accelerated through a potential difference of 100,000 V...

    Text Solution

    |