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Chapter 17 - Physics of Solids - 1
1.
In crystalline solids there is a _____________ arrangement of molecules.
a) Linear
b) Non Regular
c) Regular
2.
At a certain temperature, the transition from crystalline solid to liquid occurs which is__________.
a) Not Abrupt
b) Abrupt
c) Slow
3.
Ordinary glass becomes very viscous liquid at __________oC.
a) 80 degrees C
b) 100 degrees C
c) 800 degrees C
4.
The ability of a body to return to original shape is called____________.
a) Semi conductor
b) Stress
c) Ductile
d) Elasticity
5.
Strain is a measure of the deformation of a solid when____________ is applied to it.
a) Disorder
b) Semi conductor
c) Stress
d) Ductile
6.
Substances which undergo plastic deformation until they break are called_________.
a) Disorder
b) Stress
c) Ductile
d) Semi conductor
7.
Solids with conductivities ranging from 10-6 to 10-4 are called____________.
a) Semi conductor
b) Conductor
c) Resister
d) Super conductor
8.
Energy-band theory is based on wave__________ model.
a) Electrical
b) Numerical
c) Mechanical
9.
A semi conductor i.e Si & Ge are _________insulator at OK.
a) Not
b) Perfect
c) Equal
d) Not equal
10.
In an intrinsic semi conductor electron and holes are always________.
a) Perfect
b) Not equal
c) Equal
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