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The energy gap between conductionband an...

The energy gap between conductionband and valence band is of the order of 0.07 eV. It is a/an

A

insulator

B

conductor

C

semiconductor

D

alloy

Text Solution

Verified by Experts

The correct Answer is:
B
The energy gap between conduction band and valency band is 0.07 eV, which is very small. Therefore, the electrons can go very easily from valence band to conduction band after gaining a little energy. Hence the material is a conductor.
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Knowledge Check

  • The gap between the conduction band and valence band is largest in

    A
    Semiconductors
    B
    Insulators
    C
    Conductors
    D
    None of the above

  • In an semiconductor the separation between conduction band and valence band is of the order of

    A
    `100 eV`
    B
    `10 eV`
    C
    `1 eV`
    D
    `0 eV`

  • There is a small energy gap between the conduction and valence bands of

    A
    copper
    B
    silver
    C
    sodium
    D
    aluminium

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