Home
Class 12
PHYSICS
The maximum kinetic energy of photoelect...

The maximum kinetic energy of photoelectrons emitted from a surface when photons of energy 6 eV fall on it is 4 eV. The stopping potential in volts is

A

`2V`

B

`4V`

C

`6V`

D

`10 V`

Text Solution

Verified by Experts

The correct Answer is:
B

Stopping potential = maximum kinetic energy of e = 4 V.
Promotional Banner

Topper's Solved these Questions

  • DAILY PRACTICE PROBLEM

    RESONANCE ENGLISH|Exercise DPP No.16|9 Videos
  • DAILY PRACTICE PROBLEM

    RESONANCE ENGLISH|Exercise DPP No.17|20 Videos
  • DAILY PRACTICE PROBLEM

    RESONANCE ENGLISH|Exercise DPP No.14|9 Videos
  • CURRENT ELECTRICITY

    RESONANCE ENGLISH|Exercise High Level Problems (HIP)|19 Videos
  • ELECTRO MAGNETIC WAVES

    RESONANCE ENGLISH|Exercise Exercise 3|27 Videos

Similar Questions

Explore conceptually related problems

The maximum kinetic energy of photoelectrons emitted from a surface when photons of energy 6 eV fall on it is 4 eV . The stopping potential , in volt is

Maximum kinetic energy of photoelectrons emitted from a metal surface, when light of wavelength lambda is incident on it, is 1 eV. When a light of wavelength lambda/3 is incident on the surfaces, maximum kinetic energy becomes 4 times. The work function of the metal is

The maximum kinetic energy of a photoelectron is 3 eV. What is its stopping potential ?

The maximum kinetic energy of photoelectrons emitted from a metal surface increses from 0.4 eV to 1.2 eV when the frequency of the incident radiation is increased by 40% . What is the work function (in eV) of the metal surface?

Light of energy 2.0 eV falls on a metal of work function 1.4 eV . The stopping potential is

When the energy of the incident radiation is increased by 20 % , kinetic energy of the photoelectrons emitted from a metal surface increased from 0.5 eV to 0.8 eV . The work function of the metal is

When the energy of the incident radiation is increased by 20 % , kinetic energy of the photoelectrons emitted from a metal surface increased from 0.5 eV to 0.8 eV . The work function of the metal is

The kinetic energy of photoelectrons emitted by a photosensitive surface depends on the internsity of the incident radiation

Photons with energy 5 eV are incident on a cathode C in a photoelectric cell . The maximum energy of emitted photoelectrons is 2 eV . When photons of energy 6 eV are incident on C , no photoelectrons will reach the anode A , if the stopping potential of A relative to C is

When photon of energy 25eV strike the surface of a metal A, the ejected photelectron have the maximum kinetic energy photoelectrons have the maximum kinetic energy T_(A)eV and de Brogle wavelength lambda_(A) .The another kinetic energy of photoelectrons liberated from another metal B by photons of energy 4.76 eV is T_(B) = (T_(A) = 1.50) eV .If the de broglie wavelength of these photoelectrons is lambda_(B) = 2 lambda_(A) then i. (W_(B))_(A) = 2.25 eV II. (W_(0))_(B) = 4.2 eV III T_(A) = 2.0 eV IV. T_(B) = 3.5 eV

RESONANCE ENGLISH-DAILY PRACTICE PROBLEM-DPP No.15
  1. At what angle with the horizontal should a ball be thrown so that the ...

    Text Solution

    |

  2. The velocity time graph of a body is shown in fig. it indicates that :

    Text Solution

    |

  3. A frictionless wire is fixed between A and B inside a circle of radius...

    Text Solution

    |

  4. Two separate monochromatic light beams A and B of the same intensity (...

    Text Solution

    |

  5. When a centimeter thick surface is illuminated with light of wavelengt...

    Text Solution

    |

  6. A ball is thrown vertically upwards with an initial velocity of 5 m//s...

    Text Solution

    |

  7. The maximum kinetic energy of photoelectrons emitted from a surface wh...

    Text Solution

    |

  8. The block of mass m is being pulled by a horizontal force F=2mg applie...

    Text Solution

    |

  9. A radiation of energy E falls normally on a perfectly reflecting surfa...

    Text Solution

    |

  10. A man stands on a weighing machine kept inside a lift . Initially , t...

    Text Solution

    |

  11. Ratio of the ranges of the bullets fired from a gun ( of constant muzz...

    Text Solution

    |

  12. A girl holds a book of mass m against a vertical wall with a horizonta...

    Text Solution

    |

  13. A uniform sphere of weight w and radius 3m is being held by a string o...

    Text Solution

    |

  14. The angles of refraction of a very thin prism is 1^(@). A light say is...

    Text Solution

    |

  15. A swimmer wands to cross a river and reach point B directly from A. Th...

    Text Solution

    |

  16. A gaint refracting telescope at an observatory has an objective lens o...

    Text Solution

    |

  17. Find the acceleration of the 6 kg block in the figure. All the surface...

    Text Solution

    |

  18. A ray of light on a transparent sphere with centre C as shown in the f...

    Text Solution

    |

  19. An object is seen thorugh a simple microscope of focal length 12 cm. F...

    Text Solution

    |

  20. Two inclined planes OA and OB having inclination (with horizontal) 30^...

    Text Solution

    |