PPSC Physics Chapter 2 Structural Properties of Matter With Answers

image
image
image

PPSC Physics Chapter 2 Structural Properties of Matter

Sr. # Questions Answers Choice
1 the ratio of applied stress to volumetric strain is called. shear modulus Bulk modulus Young's modulus elastic limit
2 The ratio of stress to strain is called. Bulk modulus Young's modulus Modulus of elasticity Shear modulus
3 A solid object is Not elastic below the elastic limit Not elastic above the elastic lime Elastic below the elastic limit Not elastic at all
4 A structure that is intermediate between order and disorder is. glassy solids Polymeric solids Amorphous solids Crystalline solids
5 Liquids with disordered structure frozen in are an example of Amorphous solids Glassy solids Crystalline solids Polymeric molecules
6 A solid in which there is no regular arrangement of molecules. Amorphous solids Glassy solids Crystalline solids Polymerization
7 Crystalline solids are of. Short range order Long range order Intermediate range Plastics
8 The extension produced in a sample of material depends upon Nature of the material Stretching force Cross range order All of the above
9 An alternation produced in shape length or volume when a body is subjected to some external force is. Deformation Polymerization Crystallization Elasticity
10 Which of the following is mechanical property of a material. Strength Stiffness Ductility All of these
11 The proportion of crystalline to amorphous regions in a polymer depends on its Chemical composition Molecular arrangement Physical state Chemical composition and molecular arrangement
12 Artificial polymers are made by a chemicals reaction known as. Crystallization Electroplating Polymerization Polarization
13 Which of the following solids exhibits only short range order. Amorphous solids Polymeric solids Crystalline solids All of the above
14 The word amorphous means With regular structure Without structure May have regular structure Thermoplastics
15 Which type of solid have definite melting point. Crystalline solids Amorphous solids Glassy solids Polycrystalline solids
16 Amorphous solids are also called. Crystalline solids Glassy solids Polymeric solids Polymers
17 Plasma exists in Electric bulbs Tube light Energy savers Fluorescent tubes
18 Highly conducting state of matter is Conductors Plasma Semiconductors Insulators
19 Gases have Fixed shape Fixed volume Fixed shape and volume No fixed shape and volume
20 Molecules of a liquid Do not vibrate about their mean position Are rigidly held with each other Have weak attractive forces Have strong attractive forces
Download This Set

Is this page helpful?

×