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Online Tests
Ics Part 2 Physics Chapter 6 Test Online MCQs With Answers
Question # 1
A solid having regular arrangement of molecules throughout its structure is called.
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Amorphous solid
Polymeric solid
Crystalline solid
Glassy solid
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Question # 2
The most suitable metal for making permanent magnet is.
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Iron
Aluminium
Steel
Copper
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Question # 3
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 # 4
The critical temperature of mercury is.
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1.18 K
4.2 K
3.72 K
7.2 K
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Question # 5
Energy band theory is based upon
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Hund's Rule
Heisenberg uncertainty principle
Bohr's atomic Model
Wave mechanical model
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Question # 6
Yield stress is another name of
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Plasticity
Proportional limit
Elastic limit
Both (b) and (c)
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Question # 7
Soft magnetic material is
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Sodium
Steel
Iron
Copper
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Question # 8
Insulators have:
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An empty conduction band
Al full valence band
A large energy gap
All of above
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Question # 9
A pentaralent impurity in Si
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a free electron and a free hole
a free hole
a free electron
No free particle
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Question # 10
The dimension of stress is
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[MLT
-1
]
[ML
-1
T]
[ML
-1
T
-1
]
[ML
-1
T
-2
]
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Question # 11
The conductors having the conductivity of the order of
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Question # 12
The solid with definite M.L are called:
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Crystalline
Amorphous
Polymeric
None of above
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Question # 13
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 # 14
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 # 15
The material whose resistivity becomes zero below a certain temperature
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Conductors
Semi conductors
Super conductors
Insulators
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Question # 16
If both the length and radius of the rod are doubled, then the modulus of elasticity will:
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Increase
Decrease
Remains the same
Doubled
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Question # 17
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 # 18
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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