Physics Of Solids Set 3

Results

#1. Germanium is:

semi-conductor

Conductor

Insulator

None of these

#2. Unit of strain is:

No unit

#3. The Curie temperature is that at which

Semiconductor becomes conductors

Ferromagnetic becomes paramagnetic

Paramagnetic becomes diamagnetic

Metal becomes super conductor

#4. At Curie temperature, iron becomes:

Ferro magnet

Diamagnetic

Paramagnet

Super-conductor

#5. Materials that undergo plastic deformation before breaking are called

Brittle

Ductile

Amorphous

Polymers

#6. Formation of large molecule by joining small molecules is

#7. Materials in which valence electrons are tightly bound to their atoms at low temperature are called

Semi-conductors

Super conductors

Insulators

Conductors

#8. The band theory of solids explains satisfactorily the nature of

Electrical insulators alone

Electrical conductors alone

Electrical semi-conductors alone

All of the above

#9. A vacant or partially filled band is called

#10. A completely filled or partially filled band is called

Conduction band

Valence band

Forbidden band

Core band

Finish