Home
Class 12
PHYSICS
The radiation corresponding to 3 rarr 2...

The radiation corresponding to ` 3 rarr 2` transition of hydrogen atom falls on a metal surface to produce photoelectrons . These electrons are made to enter circuit a magnetic field `3 xx 10^(-4) T` if the ratio of the largest circular path follow by these electron is `10.0 mm , the work function of the metal is close to

A

1.8 eV

B

1.1 eV

C

0.8 eV

D

1.6 eV

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 42

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET SET 44

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

The radiation corresponding to 3 rarr 2 transition of hydrogen atom falls on a metal surface to produce photoelectrons . These electrons are made to enter circuit a magnitic field 3 xx 10^(-4) T if the ratio of thelargest circular path follow by these electron is 10.0 mm , the work function of the metal is close to

Radiation, with wavelenght 651 Å falls on a metal surface to produce photoelectrons. The electrons are made to enter a uniform magnetic field of 3 xx 10^(-4) T. If the radius of the largest circular path followed by the electrons is 10 mm, the work function of the metal is close to:

The radiation corresponding to 3 rarr 2 transition of a hydrogen atom falls on a gold surface to generate photoelectrons. These electrons are passed through a magnetic field of 5 xx 10^(–4) T. Assume that the radius of the largest circular path followed by these electrons is 7 mm, the work function of the metal is : (Mass of electron =9.1xx10^(-31) kg )

Photo-electrons are produced from a metal surface using a radiation of wavelength 6561Å . These photo-electrons, when made to enter a uniform magnetic field of intensity 3 xx 10^(-4) T, move along different circular paths with a maximum radius of 10mm, then the work function of the metal is close to

The rediation emitted when an electron jumps from n = 3 to n = 2 orbit in a hydrogen atom falls on a metal to produce photoelectron. The electron from the metal surface with maximum kinetic energy are made to move perpendicular to a magnetic field of (1//320) T in a radius of 10^(-3) m . Find (a) the kinetic energy of the electrons, (b) Work function of the metal , and (c) wavelength of radiation.

An electron performs uniform circular motion in a region of magnetic field of induction 3 xx 10^(-3) Wb//m^(2) . If the radius of the circular path of the electron is 2 cm , then the momentum of the electron will be

Light emitted by hydrogen gas corresponding to transition from n= 3 to n=2 incident on a metal plate.The electron emitted from metal plate with maximum kinetic energy enters a magnetic field 5 xx 10^-4T perpendicularly. If the radius of path of electron is 7 mm then find the work function of metal.

the radiation emitted when an electron jumps from n=4 to n=3 in a lithium atom ( z=3 ) fall on a metal surface to produce photoelectron , when the photoelectron with maximum Kinetic energy are made to move perpendicular to a magnetic field of 2xx10^(-4)T , it traces a circular path of radius sqrt(9.1/(1.6))cm , [RhC=13.6eV] (mass of electron= 9.1xx10^(-31)kg)

Radiation corresponding to the transition n=4 to n=2 in hydrogen atoms falls on a certain metal (work function=2.5 eV). The maximum kinetic energy of the photo-electrons will be:

NTA MOCK TESTS-NTA NEET SET 43-PHYSICS
  1. Two lithium nuclei in a lithium vapour at room temperature do not comb...

    Text Solution

    |

  2. A point mass m = 20 kg, is suspended by a massless spring of constant ...

    Text Solution

    |

  3. The radiation corresponding to 3 rarr 2 transition of hydrogen atom f...

    Text Solution

    |

  4. A ball of radius r and density r falls freely under gravity through a ...

    Text Solution

    |

  5. A point object is placed at distance of 20 cm from a thin plane - con...

    Text Solution

    |

  6. For spheres each of mass M and radius R are placed with their centers ...

    Text Solution

    |

  7. The forbidden energy gap in Ge is 0.72 eV , given hc = 12440 eVÅ - Th...

    Text Solution

    |

  8. In the show indicator diagram over pressure - volume scales 'n' moles ...

    Text Solution

    |

  9. Dimensional formula of the physical quantity, resistance is

    Text Solution

    |

  10. In a Young's double slit experiment with light of wavelength lamda the...

    Text Solution

    |

  11. A stretched string of length L , fixed at both ends can sustain statio...

    Text Solution

    |

  12. A car weighing 1000 kg is going up an incline with a slope of 2 in 25 ...

    Text Solution

    |

  13. The amount of work done in moving a charge of 5 C across two points ha...

    Text Solution

    |

  14. 4 Masses 8 kg, 2 kg, 4 kg and 2 kg are placed at the corners A, B, C, ...

    Text Solution

    |

  15. What is the current drawn from the battery of 6 V ?

    Text Solution

    |

  16. Under the influence of a unifrom magnetic field a charged particle is...

    Text Solution

    |

  17. A particle executes simple harmonic motion between x = -A and x = + A....

    Text Solution

    |

  18. A proton when accelerated through a potential difference of V volt has...

    Text Solution

    |

  19. The length of an elastic string is a metre when the longitudinal tens...

    Text Solution

    |

  20. A particle starts from rest at t=0 and moves in a straight line with a...

    Text Solution

    |