Home
Class 12
PHYSICS
Blue light can eject photo electron from...

Blue light can eject photo electron from a photo sensitive surface while orange light cannot. Then

A

Violet light can eject electron

B

Red light can not eject electron

C

Green and Yellow lights may or may not eject electron

D

All the above

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise EXERCISE-I ASSERTION AND REASON|4 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise EXERCISE=II|42 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise PRACTICE EXERCISEX|44 Videos

  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise EXERCISE - III|73 Videos

  • ELECTRIC CHARGES AND FIELDS

    AAKASH SERIES|Exercise Practice Exercise|57 Videos

Similar Questions

Explore conceptually related problems

Intensity of light incident on a photo sensitive surface is doubled. Then

What P.D. must be applied to stop the fastest photo electron emitted by a nickel surface when illuminated by ultraviolet light of wave length 2000^(@)A . The work function of nickel is 5 eV

Any radiation in the ultra violet region of Hydrogen spectrum is able to eject photo-electrons from a metal. Then the maximum value of threshold wave length is lambda= (1)/(R) = 911 Å then the frequency of the metal is, nearly

What will be the minimum frequency of light source to get photocurrent, from a metal surface having work function 2 eV ?

The work function for a metal is 4 eV. To eject the photo electrons with zero velocity the wavelength of the incident light should be

AAKASH SERIES-DUAL NATURE OF RADIATION AND MATTER-EXERCISE-I
  1. The collector plate in an experiment on photo electric effect is kept ...

    Text Solution

    |

  2. The best photo electric substance is

    Text Solution

    |

  3. Blue light can eject photo electron from a photo sensitive surface whi...

    Text Solution

    |

  4. Intensity of light incident on a photo sensitive surface is doubled. T...

    Text Solution

    |

  5. Light of wavelength lamda falls on a metal having work function hc/ la...

    Text Solution

    |

  6. When orange light falls on a photo sensitive surfaces the photo curren...

    Text Solution

    |

  7. A cathode of a photo electric cell is changed such that the work funct...

    Text Solution

    |

  8. Stopping potential depends on

    Text Solution

    |

  9. The saturation of photoelectric current depends on

    Text Solution

    |

  10. A photo electric cell converts

    Text Solution

    |

  11. Burglar alarm is based on

    Text Solution

    |

  12. Which of the following is based on photo electricity

    Text Solution

    |

  13. Photo electric effect can be explained only by assuming that light

    Text Solution

    |

  14. Consider the two following statements A and B and identify the correct...

    Text Solution

    |

  15. The number of electrons emitted by a surface exposed to light is direc...

    Text Solution

    |

  16. In photoelectric phenomenon, the number of photo electrons emitted dep...

    Text Solution

    |

  17. According to Einstein.s photoelectric equation, the plot of the KE of ...

    Text Solution

    |

  18. A photo cell is illuminated by a small bright source placed lm away. W...

    Text Solution

    |

  19. Statement (A): Alkali metals exhibit photo electric effect when they i...

    Text Solution

    |

  20. Pick the wrong statement of the following.

    Text Solution

    |