PHYSICS 2nd Year MCQs Chapter No.6 PHYSICS OF SOLIDS Test No.1

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PHYSICS – 2nd Year
Chapter No. 6  [ Test No.1 ]
Multiple Choice Questions
Note : All MCQ’s selected in this test are from OLD F.Sc. board , UHS and PMC(Pakistan Medical Commission) Islamabad Papers.


Book Name :  PHYSICS
Chapter No. 6 (Test No. 1)
Total MCQ from Text Book :  102
Book Version  :

Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ’s
Exam conduct By : Inter Boards of Sindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade  : 12 ( F.Sc. Intermediate)
Total Marks : 102
Total Time :   102 minutes




1 / 102

The dimensions of strain are

2 / 102

The materials in which there are plenty of free electron are called

3 / 102

In the doping process, the ratio of the doping atoms to the semiconductor atom is

4 / 102

Bulk modulus, mathematically can be written as

5 / 102

Conductivity of semiconductor increases by

6 / 102

A element or compound that has definite shape and volume is called:

7 / 102

Molecules of solid possess

8 / 102

conduction based may be

9 / 102

Glassy solids have:

10 / 102

Glass is also known as

11 / 102

SI unit of stress is same as of

12 / 102

The ratio of volumetric stress to volumetric strain is called

13 / 102

Polymeric solids have

14 / 102

Shear modulus, mathematically can be written as

15 / 102

The unit of modulus of elasticity is

16 / 102

Which of the following is pentavalent impurity?

17 / 102

The forbidden energy gap of an insulator is of the order of

18 / 102

The ability of any body to return to its original shape is called

19 / 102

The strain produced due to compressive stress is called

20 / 102

Stress required to produce a unit strain is called

21 / 102

The valence band of an atom in a solid

22 / 102

Every crystalline solid has:

23 / 102

Stress varies linearly with strain with in ---- limit

24 / 102

Any alternation produced in shapes, length or volume when a body is subjected to some external Force is called

25 / 102

A moving hole in a diode behaves like a

26 / 102

Strain is the ratio of

27 / 102

The electrons in the outermost shell of an atom are called

28 / 102

A semi-conductor formed by the addition of a trivalent impurity is called

29 / 102

Measure of deformation of a solid when stress is applied to it, is called

30 / 102

The strain produced due to tensile stress is called

31 / 102

Stress is mathematically expressed as:

32 / 102

Materials have specific uses depending upon their characteristics and properties such as:

33 / 102

The band above the valence band are normally

34 / 102

Which of them is not a crystalline solid

35 / 102

Which one of the following acts as a positive charge carrier in a semiconductor

36 / 102

Force applied on a unit area of a crystal is culled

37 / 102

Insulators are those materials in which energy gap is

38 / 102

Young's modulus, mathematically can he written as

39 / 102

The substances which creak just after the elastic limit is reached, arc called

40 / 102

At room temperature, Ge or Si crystal becomes a

41 / 102

The electrons occupying the conduction band are known as

42 / 102

SI unit of strain is

43 / 102

Such a deformation in which the body regains its original shape after the removal of applied stress is called

44 / 102

Conductors have conductivities of the order of

45 / 102

Polymers may consists of

46 / 102

Amorphous solids are more like

47 / 102

When a covalent bond is broken in a doped semiconductor

48 / 102

The band above the valence band is called

49 / 102

Amorphous solids are Also Called

50 / 102

A n-type semiconductor is obtained by doping germanium or silicon with

51 / 102

The angular deformation produced in a body is called

52 / 102

When stress changes the shape of a body, it is called

53 / 102

A empty or partially filled band is called

54 / 102

Semi-conductor have conductivities of the order of

55 / 102

A structure that is intermediate between solid and liquid is called

56 / 102

A semiconductor in its extremely pure form is known as

57 / 102

The doped semiconductor materials are called

58 / 102

Glass and high carbon steel are the examples of

59 / 102

Deformation of body may be the change in its

60 / 102

The units of modulus of elasticity are the same as those of

61 / 102

Arrangement of molecules in crystalline solids is studied by using:

62 / 102

The whole structure obtained by the repetition of unit cell is known as

63 / 102

Under the elastic firm the deformation produced in the material is

64 / 102

The strain energy stored in any length of wire due to action of stress appears as

65 / 102

A semiconductor formed by the addition of a pentavalent impurity is called

66 / 102

The ratio Mishear stress to shear strain is called

67 / 102

Ordinary glass, on heating gradually soften into a paste like state at almost:

68 / 102

Silicon and germanium in their pure form near OK is

69 / 102

A solid having regular arrangement of molecules throughout its structure is called:

70 / 102

Amorphous solids are more similar to

71 / 102

The ratio of stress to strain is called

72 / 102

The dimensions of stress are:

73 / 102

Nm2 is called

74 / 102

Sodium chloride exit in the form of

75 / 102

For semi-conductors narrow forbidden energy gap between the conduction and valence bands of a conductor is of the order of

76 / 102

Synthetic materials belong to

77 / 102

The strain energy in a deformed wire of length l acted upon a force F can be graphically calculated by measuring

78 / 102

The force applied on unit area to produce any change in the shape, length or volume of a body is called

79 / 102

In case of linear deformation, the ratio Of tensile stress to tensile strain is called

80 / 102

The word amorphous means:

81 / 102

Within elastic limit, strain is directly proportional to stress, is the statement of

82 / 102

Artificial polymers are made by a chemical reaction known

83 / 102

Insulators have conductivities ranging between

84 / 102

The maximum stress which a body can bear is called

85 / 102

SI unit of stress is:

86 / 102

The atoms or molecules in a crystalline solids are held together by

87 / 102

Which of the following is trivalent impurity?

88 / 102

The amount of strain energy stored in deformed stretched wire is equal to

89 / 102

At 0 k, a piece of Ge or .Si is a perfect

90 / 102

The value of stress beyond which the body is permanently deformed is called

91 / 102

A stress which changes one dimension only is called

92 / 102

Natural rubber has the formula:

93 / 102

When a stress changes the length of a body, it is called

94 / 102

Conductors are those materials in which energy gap is

95 / 102

which of the following is polymeric solid?

96 / 102

The process of adding a small amount of impurity into the pure semiconductor material is called

97 / 102

Polymeric solids exhibit

98 / 102

The materials in which valence electrons are bound very tightly to their atoms are known as

99 / 102

The reciprocal of bulk modulus is called

100 / 102

The branch of physics that deals with the nature and properties of matter in the solid state is called:

101 / 102

Which of the following' is a crystalline solid?

102 / 102

The smallest three dimensional basic structure in a crystalline solid is called

Your score is

The average score is 44%


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