Home
Class 12
PHYSICS
The energy gap of diamond is 6 eV . a ...

The energy gap of diamond is 6 eV .
a . What does it mean ?
b. What is the value of energy gap in the case of copper ?
c. On the basis of energy gap , explain how substances are classified.

Text Solution

Verified by Experts

a. In order to cross the energy barriers , an energy of 6 eV is required .
b. zero
c.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS

    NEW JOYTHI PUBLICATION|Exercise CONTINUOUS EVALUATION (ASSIGNMENT)|7 Videos
  • SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS

    NEW JOYTHI PUBLICATION|Exercise PREVIOUS YEAR QUESTIONS|3 Videos
  • SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS

    NEW JOYTHI PUBLICATION|Exercise PRACTICE PROBLEMS FOR SELF ASSESSMENT|8 Videos
  • RAY OPTICS AND OPTICAL INSTRUMENTS

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|26 Videos
  • WAVE OPTICS

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|17 Videos

Similar Questions

Explore conceptually related problems

What is the order of energy gap in a semi conductor?

What is forbidden energy gap?

Knowledge Check

  • The energy band gap is maximum in

    A
    metals
    B
    superconductors
    C
    insulators
    D
    semiconductors
  • The forbidden energy gap is largest in

    A
    conductor
    B
    metals
    C
    semiconductor
    D
    insulators
  • In an insulator the energy gap between the conduction band and valence band is of the order of

    A
    `2MeV`
    B
    `5e V`
    C
    `1e V`
    D
    `10^(-3)e V`
  • Similar Questions

    Explore conceptually related problems

    The energy band gap is maximum in

    What do you mean by hydride gap ?

    What is meant by forbidden energy gap ?

    What do you mean by activation energy?

    What is the frequency of a photo whose energy is 66.3 eV