MDCAT Physics Chapter 13 Deformation of Solids MCQ's Test With Answers

MDCAT Physics Chapter 13 Deformation of Solids MCQ's Test

Sr. # Questions Answers Choice
1 Which one of the following has only bulk modulus? Diamond Glass Tungsten Water
2 A steel bar can bear a load of 20 tons. If the thickness of bar is double, then for the same depression it can bear a load of: 40 ton 80 ton 160 ton 5 ton
3 If a wire is stretched to double of its length then the strain will be 1 0.5 2 0
4 What is the SI unit of Tensile strain? Nm<sup>-2</sup> Jm<sup>-2</sup> Nm<sup>-1</sup> Being a number, it has no unit
5 Which of the following substances possesses the highest elasticity? Al Copper Steel Rubber
6 The SI unit of stress is same as that of. Momentum Pressure Force Length
7 Which of the following is an example of Brittle substances? Copper and Brass Brass and glass Copper and glass Only glass
8 The value of young modulus in Nm-2for water is 70 x 10 2.2 x 10<sup>5</sup> Zero None of these
9 The temperature below which materials are superconductor is called as: Kelvin temperature Critical temperature Curie temperature none of these
10 Shear stress addresses to the: Volume changes due to the applied stress Shape changes due to the applied stress Length changes due to the applied stress All of the above
11 After elastic limit the shape of graph is Curved Straight Line Saw tooth Arbitrary
12 Stree is _________ property of solids
 Electrical Polymeric Conductive Mechanical
13 The maximum stress that a body can tolerate is called UTS Permanent stress Elastic strength Plastic stress
14 S.I unit of stress is N/m N m Nm<sup>-2</sup> newton
15 Stress may be Tensile Compressive Shear All of these
16 Bulk modulus is involved when the deformation is One dimensional Two dimensional Three dimensional All of these
17 The electrons, which can wander in the solid, are known as: Valence electron Free electron Loosely bound electrons None of these
18 ________ is a pattern which has got one more atom at the centre of a simple cube. Simple cube Face centered cube Body centered cube None of these
19 __________ is a cubic pattern having one extra atom or molecule at the centre of each of the six faces of the cube Simple cube Face centered cube Body centered cube None of these
20 In a crystal the density of atoms or molecules does not vary from direction to direction. This is known as: Cleavage Anisotropy Homogeneity None of these
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