Home
Class 12
PHYSICS
A P-type semiconductor has acceptor leve...

A `P`-type semiconductor has acceptor levels `57 meV` above the valence band. The maximum wavelength of light required to create a hole is (Planck's constant `h=6.6xx10^(-34)J-s`)

A

`57A^(@)`

B

`57xx10^(-3)A^(@)`

C

`217100A^(@)`

D

`11.61xx10A^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTORS

    RESONANCE|Exercise Exercise 2|16 Videos
  • SEMICONDUCTORS

    RESONANCE|Exercise Exercise 3|88 Videos
  • SEMICONDUCTORS

    RESONANCE|Exercise Exercise 3|88 Videos
  • REVISION DPP

    RESONANCE|Exercise All Questions|444 Videos
  • SIMPLE HARMONIC MOTION

    RESONANCE|Exercise Advanced Level Problems|13 Videos

Similar Questions

Explore conceptually related problems

A p-type semoconductor has acceptor levels 57meV above the valence band. Find the maximum wavelength of light which can create a hole.

A p type semiconductor has acceptor level 30 mev above the valence band what will be the maximum wavelength of light that can create a hole

An n-type semiconductor has donor levels at 500 meV above the valence band, the frequnecy of light required to create a hole is nearly

A p-type semiconductor has acceptor energy level 53meV above the valence band. Find the maximum wavelength of light that can creat a hole. Use h=6.63xx10^(-34)Js, c=3xx10^(8)ms^(-1) .

In a p-type semiconductor the acceptor level is situated 60 m eV above the valence band. The maximum wavelength of light required to produce a hole will be [use hc =12400 eV Å] .

Give the order of the following : Planck's constant ( 6.63xx10^(-34) J-s)

The de - Broglie wavelength of a ball of mass 120 g moving at a speed of "20 m s"^(-1) is (Planck's constant h=6.6xx10^(-34)Js )

If a semiconductor photodiode can detect a photon with a maximum wavelength of 400 nm, then its band gap energy is : Planck's constant h= 6.63 xx 10^(-34) J.s Speed of light c= 3xx10^8 m//s

The momentum of a photon of de Broglie wavelength 5000Å is …………… . [Plank's constant =6.63xx10^(-34)J.s ]

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 )

RESONANCE-SEMICONDUCTORS-Exercise
  1. If N(P) and N(e) be the numbers of holes and conduction electrons in a...

    Text Solution

    |

  2. A semiconductor is doped with a donor impurity

    Text Solution

    |

  3. A P-type semiconductor has acceptor levels 57 meV above the valence ba...

    Text Solution

    |

  4. Which of the following energy band diagrams shows the N-type semicondu...

    Text Solution

    |

  5. A P-type sillicon semiconductor is made by adding one atom of indium p...

    Text Solution

    |

  6. When N-type of semiconductor is heated

    Text Solution

    |

  7. GaAs is-

    Text Solution

    |

  8. What will be conductance of pure sillicon crystal at 300 K temp? if el...

    Text Solution

    |

  9. Forbidden energy gap of Ge is 0.75eV, maximum wave length of incident ...

    Text Solution

    |

  10. Mobility of electron in N-type Ge is 5000 cm^(2)//"volt" sec and condu...

    Text Solution

    |

  11. The intrinsic carrier density in germanium crystal at 300 K is 2.5xx10...

    Text Solution

    |

  12. Pure Si at 300 K has equal electron (n(e)) and hole (n(h)) concentrati...

    Text Solution

    |

  13. The length of a germanium rod is 0.58 cm and its area of cross-section...

    Text Solution

    |

  14. The contribution in the total current flowing through a semiconductor ...

    Text Solution

    |

  15. The P-N junction is-

    Text Solution

    |

  16. Diffusion current in a p-n junction is greater than the drift current ...

    Text Solution

    |

  17. In a p-n junction

    Text Solution

    |

  18. A hole diffuses from the p-side to the n-side in a p-n junction.This m...

    Text Solution

    |

  19. The depletion region of a P-N diode, under open circuit condition cont...

    Text Solution

    |

  20. Which is the wrong statement in following sentence? A device in which ...

    Text Solution

    |