Home
Class 12
PHYSICS
Which of the following statement is true...

Which of the following statement is true ?

A

In insulators the conduction band is completely empty

B

In conductor the conduction band is completely empty

C

In semiconductor the conduction band is partially empty at low temperature

D

In insulators the conduction band is completely filled with electrons

Text Solution

Verified by Experts

The correct Answer is:
A
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SEMI CONDUCTOR AND LOGIC GATES

    MOTION|Exercise EXERCISE 3|34 Videos

  • SEMI CONDUCTOR AND LOGIC GATES

    MOTION|Exercise EXERCISE 3|34 Videos

  • ROTATIONAL MOTION

    MOTION|Exercise Exercise - 3 ( Section-B )|24 Videos

  • SIMPLE HARMONIC MOTION

    MOTION|Exercise EXERCISE -3 Section - B Previous Year Problems | JEE MAIN|23 Videos

Similar Questions

Explore conceptually related problems

Which of the following statements is true ?

Which of the following statements is true?

Knowledge Check

  • Which of the following statements is true?

    A
    Elements in and beyond third period have only 3s-and 3p-orbitals available for bonding.
    B
    In a large number of compounds of elements of third period there are less than eight valence electrons around the central atom.
    C
    In `PF_(5)` and `SF_(6)` the central atoms have an expanded octet.
    D
    none of these.

  • Which of the following statements is true?

    A
    Molecular crystals are very hard and incompressible.
    B
    Ionic crystals have very low volatility.
    C
    Metallic bond is directional and rigid.
    D
    Boron nitride has an ionic crystal structure.

  • Which of the following statements is true?

    A
    All formative tasks are meant for assessment
    B
    Formative assessment, to be effective, must be conducted only after teaching a lesson
    C
    While all formative tasks are meant for improving teaching-learning, some are used for assessment too
    D
    Formative assessment helps us to grade students into good, average and poor

    • Similar Questions

    Explore conceptually related problems

    Which of the following statements is true?

    Which of the following statements is true ?

    Which of the following statements is true?

    Which of the following statements is true ?

    Which of the following statements is true ?

    Home
    Profile