Home
Class 12
PHYSICS
Photoelectric effect supports quantum na...

Photoelectric effect supports quantum nature of light because
(a) there is a minimum frequency of light below which no photo electrons are emitted
(b) the maximum kinetic energy of photo electrons depends only on the frequency of light and not on its intensity
(c ) even when the metal surface is faintly illuminated, the photo electrons leave the surface immediately
(d) electric charge of the photo electrons is quantised

A

(i),(ii),(iii)

B

(ii),(iii),(iv)

C

(i),(iii),(iv)

D

all

Text Solution

Verified by Experts

The correct Answer is:
A

NA
Promotional Banner

Topper's Solved these Questions

  • PHOTOELECTRIC EFFECT

    CP SINGH|Exercise EXERCISES|73 Videos
  • OPTICAL INSTRUMENTS

    CP SINGH|Exercise EXERCISES|63 Videos
  • REFLECTION OF LIGHT

    CP SINGH|Exercise EXERCISES|67 Videos

Similar Questions

Explore conceptually related problems

Photoelectric effect supports quantum nature of light because (a) there is a minimum frequency of light below which no photoelectrons are emitted (b) the maximum kinetic energy of photoelectrons depends only on the frequency of light and not onits intensity (c ) even when the metal surface is faintly illuminated, the photoelectrons leave the surface immediately (d) electric charge of the photoelectrons is quantised

The maximum energy of emitted photo electrons is measured by

When light falls on a metal surface , the maximum kinetic energy of the emitted photo - electrons depends upon

The photo electrons emitted from the surface of sodium metal are

The maximum kinetic energy of emitted electrons in a photoelectric effect does not depend upon

When light falls on a photosensitive surface, electrons are emitted from the surface. The kinetic energy of these electrons does not depend on the:

Kinetic energy of photo electrons is independent on........of incident radiation.

In a photoelectric emission process the maximum energy of the photo - electrons increase with increasing intensity of the incident light .

CP SINGH-PHOTOELECTRIC EFFECT-EXERCISES
  1. A point source of light is used in a photoelectric effect. If the sour...

    Text Solution

    |

  2. A phot of energy h upsilon is absorbed by a free electron of a metal h...

    Text Solution

    |

  3. Photoelectric effect supports quantum nature of light because (a) th...

    Text Solution

    |

  4. If the frequency of light in a photoelectric experiment is doubled the...

    Text Solution

    |

  5. Two identical metal plates show photoelectric effect by a light of wav...

    Text Solution

    |

  6. The cathode of a photoelectric cell is changed such that the work func...

    Text Solution

    |

  7. The frequency and intensity of a light source are both doubled. Consid...

    Text Solution

    |

  8. The threshold wavelength for photoelectric emission from a material ...

    Text Solution

    |

  9. A photoelectric cell is illuminated by a point source of light 1 m awa...

    Text Solution

    |

  10. If the distance of 100 Watt lamp is increased from a photocell, the sa...

    Text Solution

    |

  11. A point source causes photoelectric effect from a small metal plate. W...

    Text Solution

    |

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

    Text Solution

    |

  13. The collector plate in an experiment on photoelectric effect is kept v...

    Text Solution

    |

  14. The electric field associated with a light wave is given by E= E0 sin...

    Text Solution

    |

  15. A beam of light of wavelength lambda is incident on a metal having wor...

    Text Solution

    |

  16. A photon of energy E ejects a photoelectron from a metel surface whose...

    Text Solution

    |

  17. A monochromatic light of wavelength lambda is incident on an isolated ...

    Text Solution

    |

  18. Photoelectric effect experiments are performed using three different m...

    Text Solution

    |

  19. The graph between 1//lambda and stopping potential (V) of three metals...

    Text Solution

    |

  20. The figure shows a plot of photo current versus anode potential for a ...

    Text Solution

    |