Home
Class 12
PHYSICS
Given figure shows few data points in a ...

Given figure shows few data points in a photo electric effect experiment for a certain metal. The minimum energy for ejection of electron from its surface is ejection of electron from its surface is : (Plancks constant h = `6.62xx10^(-34) Js`)

A

1.93 eV

B

2.59 eV

C

2.27 eV

D

2.10 eV

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • JEE MAINS

    JEE MAINS PREVIOUS YEAR|Exercise Chemistry|1 Videos
  • JEE MAINS 2021

    JEE MAINS PREVIOUS YEAR|Exercise Physics (Section B )|10 Videos

Similar Questions

Explore conceptually related problems

Photoelectric effect is described as the ejection of electrons from the surface of a metal when:

The minimum energy required to ejected an electron from the surface of a metal is called............ .

The work function of a metal surface is 4.2 eV. The maximum wavelength which can eject electrons from this metal surface is

The threshold wavelength for the ejection of electrons from the metal X is 330 nm. The work function for the photoelectric emission for metal X is (h = 66 xx 10^(-34) Js)

The work function of a metal is 3.3 xx10^(-19)J . The maximum wavelength of th e photons required to eject photoelectrons from the metal is (Take h=6.6xx10^(-34)Js )

What is the momentum of electron beam of wavelength 4Å? (h=6.62xx10^(-34)Js)

JEE MAINS PREVIOUS YEAR-JEE MAINS 2020-PHYSICS
  1. A battery of 3.0 V is connected to a resistor dissipating 0.5 W of pow...

    Text Solution

    |

  2. {:((1),"Mono atomic molecule",(a),1.33),((2),"Diatomic molecule (Norma...

    Text Solution

    |

  3. Given figure shows few data points in a photo electric effect experime...

    Text Solution

    |

  4. The specific heat of water 4200 "J kg"^(-1)K^(-1) and latent heat of i...

    Text Solution

    |

  5. Starting from the origin at time t = 0 , with initial velocity 5hatj "...

    Text Solution

    |

  6. A circular disc of mass M and radius R is rotating about its axis with...

    Text Solution

    |

  7. ABC is a plane lamina of the shape of an equilateral triangle. D , E a...

    Text Solution

    |

  8. In a compound microscope , the magnificent virtual image is found at a...

    Text Solution

    |

  9. A closed vessel contains 0.1 mole of a monatomic ideal gas at 200k . ...

    Text Solution

    |

  10. In the line spectra of hydrogen atom, difference between the largest a...

    Text Solution

    |

  11. In the figure shown , the current in the 10 V battery is close to...

    Text Solution

    |

  12. A charged particle going around in a circle can be considered to...

    Text Solution

    |

  13. Two identical electric point dipoles have dipole moments vec(P1) = p h...

    Text Solution

    |

  14. For a plane electromagnetic wave, the magnetic field at a point x and ...

    Text Solution

    |

  15. Two planets have masses M and 16 M and their radii are a and 2a, respe...

    Text Solution

    |

  16. A particle moving in the xy plane experiences a velocity dependent for...

    Text Solution

    |

  17. Particle A of mass m1 moving with velocity (sqrt3hati+hatj)ms^(-1) co...

    Text Solution

    |

  18. When a car is at rest, its driver sees rain deops falling on it vertic...

    Text Solution

    |

  19. A ciruit to verify Ohm's law uses ammeter and voltmeter in series or p...

    Text Solution

    |

  20. Consider the force F on a charge 'q' due to a uniformlycharged spheric...

    Text Solution

    |