Home
Class 12
PHYSICS
A graph is drawn between stopping potent...

A graph is drawn between stopping potential (y-axis) and incident frequency (x-axis). The intercept OA on x-axis gives `0.5xx10^(15)` Hz. The K.E. of photo electron emitted from the metal | when the energy of incident photon is 5eV is.

A

7 eV

B

3 eV

C

1.5 eV

D

6 eV

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise PRACTICE EXERCISEX|44 Videos

  • DUAL NATURE OF RADIATION AND MATTER

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

The energies of the incident photons are 3, 4, 5 eV. The work functions of the metals are 0.5, 1.5, 2.5 eV. The maximum K.E.s of the photo electrons are in the ratio

Passage -I: A graph is drawn between centigrade temperature of a body along x-axis and corresponding Fahrenheit temperature along y-axis. x-intercept is

Passage -I: A graph is drawn between centigrade temperature of a body along x-axis and corresponding Fahrenheit temperature along y-axis. y-intercept is

The photoelectric work function of a metal surface is 2eV.When light of frequency 1.5xx10^(15) Hz is incident on it, the maximum kinetic energy energy of the photo electrons ,approximately is

When a beam of photons of a suitable frequency strikes the metal surface, electrons are emitted from metal. This process is called photoelectric effect. The effect occurs when energy of incident beam is greater than that of the work function. Which of the following graphs represents photoelectric effect ?

The threshold frequency for a metal is 7.0 xx 10^(14) s^(-1) . Calculate the kinetic energy of an electron emitted when radiation of frequency 10^(15)s^(-1) hits the metal.

When a beam of photons of a suitable frequency strikes the metal surface, electrons are emitted from metal. This process is called photoelectric effect. The effect occurs when energy of incident beam is greater than that of the work function. Kinetic energy of photoelectron varies with

AAKASH SERIES-DUAL NATURE OF RADIATION AND MATTER-EXERCISE=II
  1. Radiations of two different frequencies whose photon energies are 3.4 ...

    Text Solution

    |

  2. Sodium and copper have work functions 2.3eV and 4.5eV respectively, th...

    Text Solution

    |

  3. A graph is drawn between stopping potential (y-axis) and incident freq...

    Text Solution

    |

  4. A photo cell is illuminated by a small bright source placed (1)/(2) m ...

    Text Solution

    |

  5. A photon incident on a metal of photo electric work function 2 ev prod...

    Text Solution

    |

  6. For a certain metal the threshold frequency is v(0). If light of frequ...

    Text Solution

    |

  7. In a photoelectric cell, current stops when a negative potential of 0....

    Text Solution

    |

  8. The K.E. of photo electron ejected from a metal surface by light of wa...

    Text Solution

    |

  9. The work function of potassium is 2.0 eV. When it is illuminated by li...

    Text Solution

    |

  10. Photo electric emission is observed from a metallic surface for freque...

    Text Solution

    |

  11. When radiation of the wavelength lamdais incident on a metallic surfac...

    Text Solution

    |

  12. K(1) and K(2) are the maximum kinetic energies of the photo electrons ...

    Text Solution

    |

  13. Light of frequency 1.5 times the threshold frequency is incident on a ...

    Text Solution

    |

  14. The maximum wavelength of a beam of light can be used to produce photo...

    Text Solution

    |

  15. The work function of a material is 5.3 eV and the stopping potential f...

    Text Solution

    |

  16. The energy flux of sunlight reaching the surface of the earth is 1.388...

    Text Solution

    |

  17. The threshold frequency for a certain metal is v(0). When a certain ra...

    Text Solution

    |

  18. The work function of a certain metal is 3.31xx10^-(-19) jthen, the max...

    Text Solution

    |

  19. A photon of energy .E. ejects a photoelectron from a metal surface who...

    Text Solution

    |

  20. The surface of a metal is illuminated with the ight of 400nm. The kine...

    Text Solution

    |