Home
Class 12
PHYSICS
Electrons with de- Broglie wavelength la...

Electrons with de- Broglie wavelength `lambda` fall on the target in an X- rays tube . The cut off wavelength of the emitted X- rays is

A

`lambda_(0)=(2mlambda^(2)c)/(h)`

B

`lambda_(0)=(2h)/(mc)`

C

`lambda_(0)=(2m^(2)c^(2)lambda^(3))/(h^(2))`

D

`lambda_(0)=lambda`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 24

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NTA NEET SET 27

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

Eletrons with de- Broglie wavwlength lambda fall on the target in an X- rays tube . The cut off wavelength of the emitted X- rays is

Electrons with de-Broglie wavelength lambda fall on the target in an X-ray tube. The cut-off wavelength of the emitted X-ray is

Electrons with de - Brogli wavelengtyh lambda fall on the target in an X-ray tube.The cut off wavelength of the emitted Xrays is (a) lambda_0 = (2mclambda^2)/(h) (b) lambda_0 = (2h)/(mc) (c ) lambda_0 (2m^2 c^2 lambda^3)/(h^2) (d) lambda_0 = lambda

de-Broglie wavelength lambda is

The de Broglie wavelength lambda of a particle

De Broglie wavelength lambda is proportional to

The cut-off wavelength of an X-ray depends on

An X-ray tube is operated at 20 kV. The cut off wavelength is

NTA MOCK TESTS-NTA NEET SET 26-PHYSICS
  1. The electrical conductivity of a semiconductor increases when electrom...

    Text Solution

    |

  2. A particle executes simple harmonic motion with a frequency. (f). The ...

    Text Solution

    |

  3. Electrons with de- Broglie wavelength lambda fall on the target in an ...

    Text Solution

    |

  4. In the ideal double-slit experiment, when a glass-plate (refractive in...

    Text Solution

    |

  5. The given truth table relates Y to A and B. {:("A","B","Y"),(0,0,1),...

    Text Solution

    |

  6. In the circuit below, A and B represent two inputs and C represents th...

    Text Solution

    |

  7. A whistle producing sound waves of frequencies 9500 Hz and above is ap...

    Text Solution

    |

  8. The maximum kinetic energy of electrons emitted in the photoelectric e...

    Text Solution

    |

  9. Two concentric spherical conducting shells of radii R and 2R are carry...

    Text Solution

    |

  10. When the current changes from +2A to -2A in 0.05s, and emf of 8V is in...

    Text Solution

    |

  11. Which of the following parameters does not characterize the thermodyna...

    Text Solution

    |

  12. In Young's double slit experiment, the separation between the slits is...

    Text Solution

    |

  13. A coil is suspended in a uniform magnetic field, with the plane of the...

    Text Solution

    |

  14. The following figure shows the variation of intensity of magnetisation...

    Text Solution

    |

  15. A current loop ABCD is held fixed on the plane of the paper as shown i...

    Text Solution

    |

  16. Water is filled in a cylindrical container to a height of 3m. The rati...

    Text Solution

    |

  17. If the distance between the earth and the sun were half its present va...

    Text Solution

    |

  18. A spot light S rotates in a horizontal plane with a constant angular v...

    Text Solution

    |

  19. If a current is passed through a spring then the spring will

    Text Solution

    |

  20. If the mass defect of .(5)B^(11) is 0.081 u, its average binding energ...

    Text Solution

    |