A. Conduction band
B. Valence band
C. Forbidden band
D. Empty band
Related Mcqs:
- A completely filled band is called__________________?
A. Conduction band
B. Valence band
C. Forbidden band
D. Core band - Which one of following band is completely filled in case of conductors ?
A. Conduction band
B. Fermi band
C. Valence band
D. Forbidden band - On the basis of band theory of solids the semiconductors have _____________________?
A. A party filled valence band and totally empty conduction band
B. A completely filled valence band a totally empty conduction band and a very wide forbidden band
C. A completely filled valence band a partially filled conduction band and a narrow forbidden band
D. A partly filled valence band a totally empty conduction band and a wide forbidden band - The energy band occupied by the valence electrons is called___________________?
A. Energy state
B. Valence band
C. ve energy state
D. conduction band - The band theory of solids explains satisfactorily the nature of_________________?
A. Electrical insulators alone
B. Electrical conductors alone
C. Electrical semi conductors alone
D. All of the above - The electrons in conduction band are free to___________________?
A. Transport vibrations
B. Transport signals
C. Transport charge
D. Transport impulses - The radiations emitted form hydrogen filled discharge tube show____________?
A. band spectrum
B. line spectrum
C. continuous spectrum
D. absorption spectrum - The breaking of crystals along definite direction is called _____________________?
A. Cleavage
B. Symmetry
C. Isotropy
D. Homogeneity - Newton estimated the speed of sound _____________________?
A. 281m/sec
B. 333m/sec
C. 340m/sec
D. all of the above - In double slit experiment we observe _____________________?
A. interference fringes only
B. diffraction fringes only
C. both interference and diffraction fringes
D. polirized frringes
