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 The force applied on unit area to produce any change in the shape, volume or length of a body is known as strain elasticity stretching stress
2 The results of mechanical tests are usually expressed in terms of stress strain stress and strain neither stress nor strain
3 The ability of the body to return to its original shape is called deformation stretching compressing elasticity
4 The crystalline structure of NaCl is rectangular hexagonal tetrahedral cubical
5 The smallest three dimensional basic structure in a crystalline solid is called lattice point crystal lattice cubic crystal unit cell
6 polymeric solids have low specific gravity high specific gravity either of them none of them
7 Synthetic materials fall into the category of crystalline solids amorphous polymeric solids all of them
8 On heating, glass gradually softens into a paste-like state before it becomes a very viscous liquid at almost 600<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C</span> 7600<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C</span> 800<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C</span> 900<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C</span>
9 Glass is an example of crystalline solid amorphous solid polymeric solid none of them
10 Amorphous solids are more like crystalline solids polymeric solids glassy solids any one of them
11 Every crystalline solid has definite melting point different melting points may or may not be definite none of them
12 The cohesive forces between atoms, molecules or ions in crystalline solids maintain short range order long range order both of them none of them
13 In metallic crystals which of the following thing remains constant? amplitude of oscillations temperature of solid average atomic positions all of them
14 The amplitude of oscillation of each atom in a metallic crystal rises with the rise in temperature decrease in temperature even temperature remains constant all of them
15 The molecules or ions in a crystalline solid are static not static randomly moving all of them
16 The solids which have structure in between order and disorder are called amorphous solids polymeric solids crystalline solids all of them
17 There is a regular arrangement of molecules in amorphous solids polymeric solids crystalline solids none of these
18 The ratio of kinetic energy to potential energy for solids is
19 Which of the following pairs is not correct Strain - dimensional Stress - N/m<sup>2</sup> Modulus of elasticity - N/m<sup>2</sup> Shear stress - N/m<sup>2</sup>
20 Which of the following is not dimension less Poission ration Sharing strain Longitudinal strain Volume stress
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