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 subtances which break just after the elastic limit is reached are known as: Ductile Brittle Malleable Hard Soft
2 Substances which undergo plastic deformation until they break are called: Ductile Brittle Malleable Soft Hard
3 The value of shear modulus is zero for: Water Mercury Diamond Both (A) and (B) Both (A) and (C)
4 The value of young's modulus is maximum for: Dimond Copper Ice Mercury Water
5 Modulus elasticity of any materiel is of the order of: 10<sup>5</sup> 10<sup>2</sup> 10<sup>-2</sup> 10<sup>-5</sup> 10<sup>-10</sup>
6 Bulk modulus is involved when the deformation is: One dimentional Two dimentional Three dimentional Any of these None of these
7 The symbol K and G have been used to denote respectively: Young's modulus and bulk modulus Young's modulus and shear modulus Bulk modulus and shear modulus Any of these None of these
8 Which of the following have the same unit: Both (A) and (C) Both (A) and (B) Modulus elasticty Strain Stress
9 Change in length divided by original length is called: <span style="font-size: 12px;">tress</span> Young's modulus Strain Both (B) or (C) None of these
10 Force applied on a unit area of a body to produce any change in its shape, Volume or length of a body is called: Strain Stress Young's modulus Bulk modulus Either (C) or (D)
11 Nm-2is approximately called: Telsa Weber Pascal Watt Guass
12 The SI unit of stress is some as that of: Pressure Momentum Impulse Change momentum Force
13 A stress which decreases the stress along one dimension is known as: Compressive stress Tensile stress Linear stress Both (B) and (C)
14 A stress which is along one dimension is known as: Tensile stress Linear stress Compressive stress Both (A) and (C) Both (A) and (B)
15 Stress maybe: Tensile Compressive Compressible All of these Both (A) and (B)
16 Which of the quantity is dimensionless: Strain Stress Modulus of elasticity Work Entorpy
17 When the stress change length of a body, it is called: Shear stress Tensile stress Volume stress Any of these <i>None of these</i>
18 Stress may cause a change in: Length Volume Shape Any of these None of these
19 Strain is defined in terms of: Formation Deformation Area Newtons None of these
20 The results of mechanical tests are usually expressed in terms of: Stress Applied force Strain Deformation All of these
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