Home
Class 12
PHYSICS
Photoelectric current can be increased b...

Photoelectric current can be increased by using

A

Higher frequency radiation

B

Higher intensity radiation

C

Higher work function of metal plates

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
B
According to photoelectric effect ,photoelectric current id proportional of the intensity of incident light i.e, photoelectric current increase as the intensity of radiation increases.
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY AND ALTERENATING CURRENT

    SIA PUBLICATION|Exercise MCQ|57 Videos

  • EAMCET -2016 (TS)

    SIA PUBLICATION|Exercise PHYSICS|7 Videos

Similar Questions

Explore conceptually related problems

(A): With increase of intensity of incident light, photoelectric current also increases. (R): If the intensity of incident radiation is increased, more number of photons strike the metal surface there by liberating more photoelectrons. Then photoelectric current increases.

Sensitivity of potentiometer can be increased by a) increasing series resistance in the primary circuit b) decreasing the length of potentiometer wire c) using thin and high resistivity wire as potentiometer wire d) increasing the length of the wire

An electrical meter of internal resistance 20Omega gives a full scale deflection when one milliampere current flows through it. The maximum current, that can be measured by using three resistors of resistance 12Omega each, in milliamperes is :

The saturation of photoelectric current depends on

IF the strength of the electric current increases, does the magnetic field increase or decrease?

The sensitivity of potentiometer wire can be increased by

SIA PUBLICATION-DUAL NATURE OF RADIATION AND MATTER-MCQS
  1. The energy of an X-ray photon of wavelength 1.65Å is (h=6.6xx10^(-34)J...

    Text Solution

    |

  2. In a photoelectric experiment ,the maximum velocity of photoelectrons ...

    Text Solution

    |

  3. The photoelectric work function of a metal surface is 2eV.When light o...

    Text Solution

    |

  4. An the electron undeflected when passing perpen to mutually perpendicu...

    Text Solution

    |

  5. An electron beam is allowed to pass normally through megnetic and elec...

    Text Solution

    |

  6. In a photoelectric phenomenon, the number of photoelectrons emitted on

    Text Solution

    |

  7. According to the Moseley's law, the frequency of a spectral line in X-...

    Text Solution

    |

  8. The photoelectric work function for a metal surface is 4.125eV. The cu...

    Text Solution

    |

  9. The threshold wavelength for a certain metal is 2000 Å. The work funct...

    Text Solution

    |

  10. X-rays are a stream of

    Text Solution

    |

  11. A beam of charged particles of charge q and a mass m are accelerated f...

    Text Solution

    |

  12. Photon of energy 2.0 eV and wavelength lamdafall on a metal plate and ...

    Text Solution

    |

  13. Photoelectric current can be increased by using

    Text Solution

    |

  14. The speed of electrons in a cathode ray beam ,which remains undeflecte...

    Text Solution

    |

  15. If Planck's constant is given as 6.4xx10^(-34)Jand electron charge is ...

    Text Solution

    |

  16. Emission of electrons in photoelectric effect is possible if

    Text Solution

    |

  17. A force is experienced by cathode rays when they pass through uniform ...

    Text Solution

    |

  18. Photoelectrons are emitted from a metal surface when photons of energy...

    Text Solution

    |

  19. Light of frequeny 1.5 times the threshold frequency , imcident on a ph...

    Text Solution

    |

  20. In photoelectric the slope of the straight line graph between stopping...

    Text Solution

    |