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 An ordinary glass gradually softens into a paste-like state before it becomes a very viscous liquid. It happens almost at: 800<span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">°C</span> 500<span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">°C</span> 300<span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">°C</span> 100<span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">°C</span> None of these
2 Amorphous solids: Have definite melting point Are called glassy solids Have no definite meting point Both B and C Both A and C
3 The word amorphous means: Without any structure With define structure Regular arrangement of molecules Both B and C None of these
4 The force which maintains the strict long-range order between atoms of a crystalline solid is the: Nuclear force Cohesive force Adhesive force Coulomb force None of these
5 The transition from solid to liquid state is: Abrupt Slow Continuous Discontinuous Both A and D
6 The transition of from solid to liquid is actually from: Order to disorder Disorder to order Order to order Disorder to disorder
7 Each atom in a metal crystal vibrates about a fixed point with a amplitude that: Decreases with rise in temperature Is not affected by rise in temperature Increases with rise in temperature Both B and C None of these
8 Zirconia is classified as: Ceramic solid Ionic compound Metal Either A or B Either B or C
9 The solids are classified as: Metals Crystalline Amorphous Polymeric All expect A
10 Crystalline solids are in the form of: Metals Ionic compounds Ceramics Both A and B All of these
11 A cable breaks if stretched by moe than 2mm, it is cut into two equal parts. How much either [art can be stretched without breaking? 25 m 1 mm 2 mm 0.5 m
12 Curie temperature is a point where: Diamagnetism changes to paramagnetism paramagnetism changes to Diamagnetism Ferromagnetism changes to paramagnetism paramagnetism changes to Ferromagnetism
13 If both the length and radius of rod are doubled, then the modulus of elasticity will: Increase Decrease Remains the same Doubled
14 A wire is stretched to double of its length. Its train is: 2 1 0 0.5
15 The expression of energy stored in an inductor of length L and current I can be expressed by a relation 1/2 LI<sup>2</sup> 1/2 I<sup>2</sup>L 1/2 I<sup>2</sup>L<sup>2</sup> 1/2 IL
16 Which of the following is more elastic material? iron Aluminum Wood Rubber
17
The SI unit of stress is same as that of
 Momentum Pressure Force Length
18 The maintaining the elastic limits of any body, the relation stress to strains is called Hooke's law Pascal's law Young's law None of them
19 The ratio of volumetric stress to volumetric strain is called Young's modules Bulk modulus Shear modulus Hooke's law
20 The ratio of tensile stress to tensile strain is Force Young's modulus Bulk modulus Shear modulus
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