Home
Class 11
PHYSICS
The forbidden energy gap in Ge is :-...

The forbidden energy gap in Ge is :-

A

0.72 eV

B

0.072 eV

C

7.2 eV

D

0.0072 eV

Text Solution

Verified by Experts

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

Topper's Solved these Questions

  • SEMICONDUCTORS

    ALLEN |Exercise Part-3(Exercise-2)|49 Videos

  • SEMICONDUCTORS

    ALLEN |Exercise Part-3(Exercise-3)|27 Videos

  • SEMICONDUCTORS

    ALLEN |Exercise Part-3(Exercise-4)|50 Videos

  • PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT

    ALLEN |Exercise EXERCISE-IV|7 Videos

  • WAVES AND OSCILLATIONS

    ALLEN |Exercise Part-1(Exercise-05)[B]|42 Videos

Similar Questions

Explore conceptually related problems

Forbidden energy gap of Ge is 0.75eV , maximum wave length of incident radiation for producing electron-hole pair in germanium semiconductor is

The energy gap in a semiconductor is of the order of :-

Knowledge Check

  • The forbidden gap in the energy bonds of silicons is ……

    A
    2.6 eV
    B
    1.1 eV
    C
    0.1 eV
    D
    6 eV

  • The energy band gap is maximum in …….

    A
    metals
    B
    insulator
    C
    super conductor
    D
    semiconductor

  • On increasing the temperature, width forbidden gap ….

    A
    becomes zero
    B
    decreases
    C
    increases
    D
    not changing

    • Similar Questions

    Explore conceptually related problems

    Statement-I : Germanium is preferred over silicon for making semiconductor devices Statement-II : Energy gap for Ge is more than that of SI

    Write the definition of energy gap and forbidden gap.

    The Forbidden gap between conduction band & valance band is maximum for _____ .

    What is the energy gap between valence band 'and conduction band in crystal of insulators ?

    The energy of a photon of sodium light (lambda=589 nm) equal the band gap of a semiconducting material.(a)Find the minimum energy E requried to create a hole-electron pair.(b)Find the value of E//kT at a temperature of 300K.

    Home
    Profile