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Online Tests
Ics Part 2 Physics Chapter 6 Test Online MCQs With Answers
Question # 1
Shear modulus is expressed as:
Choose an answer
G = tanθ/F/A
F/A/tanθ
F/tanθ
tanθ/A
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Question # 2
Donor impurities are
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Germanium, silicon
Indium, galium
Antimony, arsenic
Diamond, carbon
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Question # 3
Which one is pentavalent impurity
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Boron
Gallium
Antimony
Indium
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Question # 4
After curie temperature.
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Ferromagnetic
Paramagnetic
Magnetic
Diamagnetic
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Question # 5
Which type of impurity is to be added to a pure semi conductor crystal to provide holes.
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Monovalent
Trivalent
Tetravalent
Pentavalent
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Question # 6
The number of crystal system are
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Three
Five
Seven
Fifteen
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Question # 7
Semiconductors have conductivity of order:
Choose an answer
10
-8
to 10
-6
(Ωm)
-1
10
-6
to 10
-4
(Ωm)
-1
10
2
to 10
5
(Ωm)
-1
10
-5
to 10
-7
(Ωm)
-1
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Question # 8
Glass and high steel carbon are example of.
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Ductile substances
Brittle substances
Soft substances
Hard substances
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Question # 9
Which one is not a crystalline solid.
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Zinc
Copper
Nylon
None of these
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Question # 10
Very weak magnetic field produced by brain can be detected by
Choose an answer
MRI
CAT scans
Squid
CRO
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Question # 11
Natural rubber is an example of:
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Crystalline solids
Amorphous solids
Polymeric solids
None of above
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Question # 12
Minority carriers in P-Types , substances are.
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Electrons
Protons
Holes
Neutrons
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Question # 13
An ordinary glass gradually softness into a paste like state before it becomes a very viscous liquid which is possible at
Choose an answer
900
o
C
600
o
C
800
o
C
100
o
C
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Question # 14
The conductors having the conductivity of the order of
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Question # 15
Which of the modulus of elasticity is involved in compressing a rod to decrease its length ?
Choose an answer
Young's modulus
Bulk modulus
Modulus of elasticity
None of these
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Question # 16
substance which undergo plastic deformation until they break are known as.
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Brittle substances
Ductile substance
Non magnetic substance
Magnetic substance
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Question # 17
The curie temp for iron is about
Choose an answer
800
o
C
740
o
C
750
o
C
650
o
C
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Question # 18
Conductors have conductivities of order:
Choose an answer
10
3
(Ωm)-1
10
7
(Ωm)
-1
10
7
Ωm
-1
10
-6
Ω
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