Home
Class 12
PHYSICS
Lights of two different frequencies whos...

Lights of two different frequencies whose photons have energies 1 and 2.5 eV, respectively, successively illuminate a metal whose work function is 0.5 eV. The ratio of the maximum speeds of the emitted electrons

A

`1:3`

B

`1:2`

C

`3:1`

D

`2:1`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 82

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NTA NEET SET 84

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

Lights of two different frequencies whose photons have energies 1 eV and 2.5 eV respectively illuminate successively a metal surface whose work function is 0.6 eV. The ratio of the maximum speeds of the emitted electrons will have

Light of two different frequencies whose photons have energies 1eV and 2.5 eV respectively illuminate a metallic surface whose work function is 0.5 eV successively. Ratio of maximum kinetic energy of emitted electrons will be:

Two radiations of photons energies 1 eV and 2.5 eV, successively illuminate a photosensitive metallic surface of work function 0.5 eV. The ratio of the maximum speeds of the emitted electrons is

Two radiation of photons energy 3eV and 4.5 eV successively illuminate a photosensitive metallic surface of work function 2.5 eV the ratio of the maximum speeds of the emitted electrons is :-

The radiations of 1 eV and 2.5 eV are incident on a metal having a work function of 0.5 eV . The ratio of their maximum velocities is

Photons of energy 1.5 eV and 2.5 eV are incident on a metal surface of work function 0.5 eV. What is the ratio of the maximum kinetic energy of the photoelectrons ?

Two differenct photons of energies, 1 eV and 2.5 eV, fall on two identical metal plates having work function 0.5 eV, Then the ratio of maximum KE of the electrons emitted from the two surface is -

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

NTA MOCK TESTS-NTA NEET SET 83-PHYSICS
  1. F(pp),F("nn")and F(np) are the nuclear forces between proton - proton...

    Text Solution

    |

  2. A block performs simple harmonic motion with equilibrium point x = 0 ....

    Text Solution

    |

  3. A simple pendulum of length l has maximum angular displacement theta ....

    Text Solution

    |

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

    Text Solution

    |

  5. Maximum kinetic energy (E(k)) of a photoelectron varies with the frequ...

    Text Solution

    |

  6. Water flows steadily through a horizontal pipe of a variable cross-sec...

    Text Solution

    |

  7. A hole is made at the bottom of the tank filled with water (density =1...

    Text Solution

    |

  8. Two points p and Q lie on either side of an axis XY as shown. It is de...

    Text Solution

    |

  9. The sun subtends an angle half a degree at the pole of a concave mirro...

    Text Solution

    |

  10. An equilateral triangular frame is made of three thin massless rods. T...

    Text Solution

    |

  11. A circular disc rolls down an inclined plane . The ratio of rotational...

    Text Solution

    |

  12. Which logic gate is respresented by the following logic gates ?

    Text Solution

    |

  13. In the circuit shown the diode will conduct current for a

    Text Solution

    |

  14. A lead bullet strikes a target with velocity of 480 m/s. if the bullet...

    Text Solution

    |

  15. The side of a rectangle are 6.01 m and 12 m Taking the significant...

    Text Solution

    |

  16. The frequency of a light wave in a material is 2xx10^(14)Hz and wavele...

    Text Solution

    |

  17. In Fraunhofer diffraction pattern, slit width is 0.2 mm and screen ...

    Text Solution

    |

  18. n number of waves are produced on a string in 0.5 s. Now, the tension ...

    Text Solution

    |

  19. In case of closed organ pipe, which harmonin the p^(th) overtone will ...

    Text Solution

    |

  20. A man who is running has half the kinetic energy of a boy of half his ...

    Text Solution

    |