Home
Class 12
PHYSICS
A Both Valance band and conduction band ...

A Both Valance band and conduction band can accommodate equal number of electrons. B. Conduction band has less energy then Valance band.

A

A is true, B is wrong

B

B is true, A is wrong

C

Both are true

D

None is true

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MASTER PRACTICE PROBLEM

    BANSAL|Exercise Subjective|107 Videos

  • FLUID MECHANICS

    BANSAL|Exercise PYQS AIEEE|10 Videos

  • SEMICONDUCTORS

    BANSAL|Exercise CBSE Question|32 Videos

Similar Questions

Explore conceptually related problems

Introduction and energy band theory

The valence band and conduction band of a solid overlap at low temperature .The solid may be

Those materials in which number of holes in valence band is equal to number of electrons in conduction band are called

In insulators (CB is conduction band and VB is valence band )

The band gap between the valence and the conduction bands in zinc oxide (ZnO) is 3.0eV.Suppose an electron in the conduction band combines with a hole in the valence band and the excess energy is released in the form of electromagnetic radiation.Find the maximum wavelength that can be emitted in this process.

The valence band and conduction band of a solid overlap at low temperature, the solid may be

In a good conductor, what is the energy gap between the conduction band and the valence band.?

BANSAL-MASTER PRACTICE PROBLEM-Additional topic
  1. Which logic gate is represented by the following combination of logic ...

    Text Solution

    |

  2. A. The energy band of valence electrons is called Valence band B. The ...

    Text Solution

    |

  3. A Both Valance band and conduction band can accommodate equal number o...

    Text Solution

    |

  4. A. it is impossible to get a completely filled conduction band. B. It ...

    Text Solution

    |

  5. A.A diode merely converts A.C. into D.C.B.A diode cannot given amplifi...

    Text Solution

    |

  6. Statement 1: Conductivity of semiconductor increases with increase in ...

    Text Solution

    |

  7. Statement 1: Conductivity of semiconductors decreases with increase in...

    Text Solution

    |

  8. Statement 1: In semiconductors current is obtained due to motion of el...

    Text Solution

    |

  9. Statement 1: Doping concentration is maximum in emitter in transistor....

    Text Solution

    |

  10. The ratio waves of frequency 300 MHz to 3000 MHz belong to

    Text Solution

    |

  11. Which of these statements correctly describes the orientation of the e...

    Text Solution

    |

  12. A dipole radio transmitter has its rod-shaped antenna oriented vertica...

    Text Solution

    |

  13. A vertical electric dipole antenna

    Text Solution

    |

  14. Consider the following two statements regarding a linearly polarized, ...

    Text Solution

    |

  15. The rms value of the electric field of the light from the sun is 720 N...

    Text Solution

    |

  16. A plane electromagnetic wave travels in free space along x-axis. At a ...

    Text Solution

    |

  17. A plane e.m. wave travelling along the x-direction has a wavelength of...

    Text Solution

    |

  18. The process of changing some characteristic of a carrier wave in accor...

    Text Solution

    |

  19. Modulation factor determines-

    Text Solution

    |

  20. if the maximum and minimum voltage of AM wave are V(max) and V(min), r...

    Text Solution

    |