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Physics Of Solids Set 5
Results
#1.
What is the S.I unit of modules of elasticity of substances?
Nm-³
Nm-³
Jm-2
Jm-2
Nm-1
Nm-1
Being number, it has no unit
Being number, it has no unit
#2.
The bands in atom containing conductive electrons, according to "band theory of solids" is
Conduction band
Conduction band
Valance band
Valance band
Forbidden band.
Forbidden band.
None of these
None of these
#3.
The substances which have partially filled conduction bands are called:
Insulators
Insulators
Semi-conductors
Semi-conductors
Conductors
Conductors
Super conductors
Super conductors
#4.
What type of impurity is to be added to the semi-conductor material to provide holes?
Monovalent
Monovalent
Trivalent
Trivalent
Tetravalent
Tetravalent
Pentavalent
Pentavalent
#5.
Which of the following is an example of ductile substances
Lead
Lead
Copper
Copper
Glass
Glass
Lead and copper
Lead and copper
#6.
Substances which break just after the elastic limit is reached are called:
Ductile substances
Ductile substances
Hard substances
Hard substances
Soft substances
Soft substances
Brittle substances
Brittle substances
#7.
Cure temperature for iron is:
0°C
0°C
570 °C
570 °C
750 °C
750 °C
1025 °C
1025 °C
#8.
The SI unit of stress is same as that of
Momentum
Momentum
Pressure
Pressure
Force
Force
Length
Length
Finish
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