Physics Of Solids Set 2

Results

#1. Any alteration produced in shapes, length or volume when a body is subjected to some external force is called

Stiffness

Ductility

Extension

Deformation

#2. Which one has the greatest energy gap?

Semi-conductors

Conductors

Metals

Non-metals

#3. with increase in temperature, the electrical conductivity of intrinsic semi-conductors

#4. The temperature at which conductors lose its resistivity is called

Supper temperature

Kelvin temperature

Critical temperature

None

#5. The magnetic domains are the small regions of the order of

Millimeter

Micrometer

Micron

None of these

#6. Holes can exists in

Conductors

Insulators

Semi-conductors

All of the above

#7. in a semi-conductors, the charge carriers

Holes only

Electrons only

Electrons and holes both

All of the above

#8. The net charge on N-type material is

Positive

Negative

Both a & b

Neutral

#9. The most stable material for making permanent magnet is:

Iron

Steel

Aluminum

Copper

#10. N-type semi-conductor is obtained by doping intrinsic semi-conductors with

Tetravalent impurity atom

Trivalent impurity atom

Pentavalent impurity atom

Hexavalent impurity atom

Finish