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Online Tests
Physics Fsc Part 2 Chapter 6 Online Test MCQs With Answers
Question # 1
A solid having regular arrangement of molecules throughout its structure is called.
Choose an answer
Amorphous solid
Polymeric solid
Crystalline solid
Glassy solid
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Question # 2
The word amorphous means:
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Regular structured
Without form or structure
Frozen structured
None of above
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Question # 3
the substances in which the atoms do not form magnetic dipoles are called.
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Diamagnetic
Para magnetic
Ferro magnetic
Crystal
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Question # 4
Curie temperature is
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Differen for chromium oxide and cobalt
Same for chromium oxide and cobalt
Same for iron and cobalt
None of these
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Question # 5
The ability of a body to return to its original shape is called.
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Strain
Stress
Elasticity
Plasticity
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Question # 6
The domain theory of magnet is important to explain the behaviour of
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Diamagnets
Paramagnets
Ferromagnets
All of these
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Question # 7
Semiconductors have conductivity of order:
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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
A wire stretched to double of its length, its strain is:
Choose an answer
2
1
0
0.5
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Question # 9
Coercive force is used to
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Demagnetize the material
Magnetize the material
Extend it
None of these
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Question # 10
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 # 11
The substance which atom cooperates with each other in such a way so as to exhibit a strong magnetic field is called.
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Ferromagnetic
Paramagnetic
Diamagnetic
Non magnetic
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Question # 12
The SI unit of Stress is:
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Nm
Nm
2
NM
-2
Nm
3
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Question # 13
Curie temperature is a point where :
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Diamagnetism changes to paramagnetism
Paramagnetism changes to Diamagnetism
Ferromagnetism changes to paramagnetism
Paramagnetism changes to Ferromagnetism
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Question # 14
Which of the following does not undergo plastic deformation.
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Copper
Wrought iron
Head
Glass
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Question # 15
The ratio of applies stress to volumetric strain is called:
Choose an answer
Young modulus
Shear modulus
Bulk modulus
Tensile modulus
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Question # 16
Very weak magnetic field produced by brain can be detected by
Choose an answer
MRI
CAT scans
Squid
CRO
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Question # 17
The solids are classified as
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Polymeric
Amorphous
Crystalline
All of above
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Question # 18
The first superconductor was discovered in:
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1831
1911
1921
1876
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