Home
Class 12
PHYSICS
Light of frequency 4 v(0) is incident on...

Light of frequency `4 v_(0)` is incident on the metal of the threshold frequency `v_(0)`. The maximum kinetic energy of the emitted photoelectrons is

A

`3 hv_(0)`

B

`2 hv_(0)`

C

`(3)/(2) hv_(0)`

D

`(1)/(2) hv_(0)`

Text Solution

Verified by Experts

The correct Answer is:
A

`E = hv_(0) + K_(max) rArr K_(max) = 3 hv_(0)`.
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    A2Z|Exercise X-Rays|45 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    A2Z|Exercise Problems Based On Mixed Concepts|42 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    A2Z|Exercise Photo Momentum Energy|30 Videos
  • CURRENT ELECTRICITY

    A2Z|Exercise Section D - Chapter End Test|29 Videos
  • ELECTRIC CHARGE, FIELD & FLUX

    A2Z|Exercise Section D - Chapter End Test|29 Videos

Similar Questions

Explore conceptually related problems

A photon of frequency v is incident on a metal surface whose threshold frequency is v_(0) . The kinetic energy of the emitted photoelectrons will be

Radiation of frequency v=9v_(0) is incident on a metal surface, having threshold frequency v_(0) . The maximum velocity of the ejected photoelectrons is 6xx10^(6)m//s . What will be the maximum velocity of the ejected photoelectrons , if v is reduced to 3v_(0) ?

A photon of energy 8 eV is incident on metal surface of threshold frequency 1.6 xx 10^(15) Hz , The maximum kinetic energy of the photoelectrons emitted ( in eV ) (Take h = 6 xx 10^(-34) Js ).

The photoelectric threshold frequency of a metal is v. When light of frequency 4v is incident on the metal . The maximum kinetic energy of the emitted photoelectrons is

Light of frequency v falls on meterial of threshold frequency v_(0) . Maximum kinetic energy of emitted electron is proportional to

The photoeletric threshold 4v is incident on the metal is v. When light of freqency 4v is incident on the metal, the maximum kinetic energy of the emitted photoelectron is

Light of frequency v is incident on a substance of threshold frequency v(v lt v) . The energy of the emitted photo-electron will be

A2Z-DUAL NATURE OF RADIATION AND MATTER-Photo Electric Effect
  1. Threshold wavelength for photoelectric effect on sodium is 5000 Å . It...

    Text Solution

    |

  2. What is the stopping potential when the metal with work function 0.6 e...

    Text Solution

    |

  3. The work functions for sodium and copper are 2 eV and 4 eV . Which of ...

    Text Solution

    |

  4. For intensity I of a light of wavelength 5000 Å the photoelectron satu...

    Text Solution

    |

  5. Light of frequency 8 xx 10^(15) Hz is incident on a substance of photo...

    Text Solution

    |

  6. The lowest frequency of light that will cause the emission of photoele...

    Text Solution

    |

  7. Lights of two different frequencies whose photons have energies 1 and ...

    Text Solution

    |

  8. Sodium and copper have work functions 2.3 eV and 4.5 eV respectively ....

    Text Solution

    |

  9. When radiation is incident on a photoelectron emitter, the stopping po...

    Text Solution

    |

  10. Light of frequency 4 v(0) is incident on the metal of the threshold fr...

    Text Solution

    |

  11. Energy required to remove an electron from aluminium surface is 4.2 eV...

    Text Solution

    |

  12. A photon of energy 8 eV is incident on a metal surface of threshold fr...

    Text Solution

    |

  13. Light of wavelength 1824 Å, incident on the surface of a metal , produ...

    Text Solution

    |

  14. Mercury violet (lambda = 4558 Å) is falling on a photosensitive materi...

    Text Solution

    |

  15. The work functions of metals A and B are in the ratio 1 : 2. If light ...

    Text Solution

    |

  16. When a metal surface is illuminated by light wavelengths 400 nm and 25...

    Text Solution

    |

  17. When radiation of wavelength lambda is incident on a metallic surface...

    Text Solution

    |

  18. The figure shows the variation of photo current with anode potential f...

    Text Solution

    |

  19. The stopping potential as a function of the frequency of the incident ...

    Text Solution

    |

  20. The curves (a) , (b) , ( c ) and (d) show the variation between the ap...

    Text Solution

    |