Home
Class 11
PHYSICS
Photoelectric cell is NOT used in...

Photoelectric cell is NOT used in

A

burglar alarm.

B

exposure meter.

C

reproduction of sound from motion pictures.

D

measurement of temperature.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Critical thinking|22 Videos

  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Competitive Thinking|80 Videos

  • COMMUNICATION SYSTEMS

    TARGET PUBLICATION|Exercise Evaluation Test|15 Videos

  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EXCERCISE|156 Videos

Similar Questions

Explore conceptually related problems

Photoelectric cell is also called

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 .

Why is a photoelectric cell also called an electric eye?

The study of photoelectric effect is useful in understanding

Explain the construction of photoelectric cell and state its applications.

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 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 ]

What is photoelectric cell ? Give any two applications.

TARGET PUBLICATION-ELECTRONS AND PHOTONS-Evaluation Test
  1. Photoelectric cell is NOT used in

    Text Solution

    |

  2. Relation between the stopping potential V0 of a metal and the maximum ...

    Text Solution

    |

  3. Radiation of wavelength 120 nm ejects photoelectrons from a plate whos...

    Text Solution

    |

  4. A surface receives light of wavelength lambda1=450 nm, causing the eje...

    Text Solution

    |

  5. Assertion: Photons can exist at rest. Reason: Rest mass m0=msqrt(((1...

    Text Solution

    |

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

    Text Solution

    |

  7. Assertion: Work function of a metal is 4 eV. The maximum wavelength of...

    Text Solution

    |

  8. Eye of an experimenter detects the green light (lambda =5000 Å) at 5xx...

    Text Solution

    |

  9. Photon having wavelength lambda = 3.5xx10^(-7)m and lambda = 5.4xx10^(...

    Text Solution

    |

  10. Illuminating a metal surface alternately with wavelengths lambda1 and ...

    Text Solution

    |

  11. In a photoelectric effect, the anode potential is plotted against the ...

    Text Solution

    |

  12. A proton when accelerated through a potential difference of V volt has...

    Text Solution

    |

  13. The work function for the following metals is given Na: 2.75 eV, K:2.3...

    Text Solution

    |

  14. Assertion: Work function of a metal is proportional to maximum wavelen...

    Text Solution

    |

  15. The retarding potential for having zero photoelectron current

    Text Solution

    |

  16. A proton and an alpha-particle are accelerated through same potential ...

    Text Solution

    |

  17. Light of wavelength 3000 Å falls on a sensitive surface. If the surfac...

    Text Solution

    |

  18. The work function for aluminium is 4.125 eV. The cut-off wavelength fo...

    Text Solution

    |

  19. Lights of two different frequencies whose photons have energies 1 eV a...

    Text Solution

    |

  20. When a metal surface is illuminated by a monochromatic light of wave-l...

    Text Solution

    |