Home
Class 12
PHYSICS
A. The energy band of valence electrons ...

A. The energy band of valence electrons is called Valence band B. The energy band of free electrons or loosely bound electrons is called conduction 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:
C
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

Assertion: If there is some gap between the conduction band and the valence band, electrons in the valence band all remain bound and no free electrons are available in the conduction band. Then the material is an insulator. Reason: Resistance of insulators is very low

The valence band at 0 K is-

The band of maximum energy in which electrons are present is called the

BANSAL-MASTER PRACTICE PROBLEM-Additional topic
  1. For the given combination of gates, if the logic states of inputs A,B,...

    Text Solution

    |

  2. Which logic gate is represented by the following combination of logic ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  14. A vertical electric dipole antenna

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. Modulation factor determines-

    Text Solution

    |