Home
Class 11
CHEMISTRY
In a photoelectric effect experiment , p...

In a photoelectric effect experiment , photons of energy 5.0 eV are incident on metal surface . They liberate electrons which are just stopped by an electrode at a potential of 3.5 eV with respect to metal . The work function of the metal surface in eV is :

A

5

B

3.5

C

1.5

D

7

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    GRB PUBLICATION|Exercise Bohr s Theory|123 Videos

  • ATOMIC STRUCTURE

    GRB PUBLICATION|Exercise de Brogile and Heisenberg|43 Videos

  • ATOMIC STRUCTURE

    GRB PUBLICATION|Exercise Subjective Type|55 Videos

  • CHEMICAL EQUILIBRIUM

    GRB PUBLICATION|Exercise D.Le Chateliera principle|16 Videos

Similar Questions

Explore conceptually related problems

In a photoelectric effect experiment, photons of energy 5eV are incident on a metal surface They liberate photoelectron which are just stopped by an electrode at a potential of -3.5V with respect to the metal. The work fuction of the metal is

Photons of energy 5.5 eV are incident on a metal surface. If the stopping potential is 3V, then the work function of the metal will be

A photon of energy 7 eV is incident on a metal surface having the work function of 3.75 eV. What is the stopping potential ?

Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV . The minimum kinetic energy of the emitted photo - electrons will be

A photon of energy 4 eV is incident on a metal surface whose work function is 2 eV . The minimum reverse potential to be applied for stopping the emission of electrons is

A photon of energy 12 V falls on metal surface whose work function is 4.15 eV . The stopping potential is

In photoelectric effect the work function of a metal is 3.5 eV. The emitted electrons can be stopped by applying a potential of –1.2 V. Then

GRB PUBLICATION-ATOMIC STRUCTURE-Planck s Theory
  1. The greater the energy of a photon , the :

    Text Solution

    |

  2. A photosensitive metallic surfaces has work function hv(0) . If photon...

    Text Solution

    |

  3. In a photoelectric effect experiment , photons of energy 5.0 eV are in...

    Text Solution

    |

  4. What is the energy of photons with a wavelength of 434 nm?

    Text Solution

    |

  5. The first ionization energy of Na is 495.9 kJ mol^(-1) . What is the l...

    Text Solution

    |

  6. An acidic solution of methyl red has an absorbance of 0.451 at 530 nm ...

    Text Solution

    |

  7. Albert Einstein's explanation of the photoelectric effect confirmed wh...

    Text Solution

    |

  8. For which of the following transitions would a hydrogen atom absorb a ...

    Text Solution

    |

  9. The energy required to break one mole of hydrogen- hydrogen bonds in H...

    Text Solution

    |

  10. What is the energy of photon from a laser that emits light at 632.8 nm

    Text Solution

    |

  11. Which properties of electromagnetic radiation are inversely related?

    Text Solution

    |

  12. Which electronic transition in a hydrogen atom releases the greatest a...

    Text Solution

    |

  13. What is the frequency of light with a wavelength of 480 nm

    Text Solution

    |

  14. A 124 W bulb converts only 15 % of the energy supplied to it into visi...

    Text Solution

    |

  15. The first ionization energy of caesium is 6.24 xx 10^(-19)J//"atom" . ...

    Text Solution

    |

  16. Two bulbs A and B are emitting monochromatic light of wavelength such ...

    Text Solution

    |

  17. An iodine molecule dissociates into atom after absorbing light of wav...

    Text Solution

    |

  18. A photon of energy hv is absorbed by a free electron of a metal having...

    Text Solution

    |

  19. Minimum accelerating potential (volts) needed to accelerate an electro...

    Text Solution

    |

  20. If lambda(0) is the threshold wavelength for photoelectric emission. ...

    Text Solution

    |