ECAT Pre Engineering Physics Chapter 17 online mcq test with answers for chapter 17 (Physics of Solids)

Physics ECAT Pre Engineering Chapter 17 Physics of Solid Online Test

Sr. #	Questions	Answers Choice
1	Tick the one which is not polymer solid:	Zirconia Polythene Nylon Synthetic rubber None of these
2	Polymers are the chemical combination of carbon with:	Nitrogen Oxygen Hydrogen All of these None of these
3	Examples of crystalline solids are:	Cooper NaCl Zirconia Both (A) and (B) All of these
4	Examples of polymeric substances are:	Plastic Synthetic rubbers Zirconia All of these Both (A) and (B)
5	A structure of polymeric solid is:	An ordered structure A disordered structure Intermediate between order and disorder Any of these None of these
6	When relatively simple molecules are chemically combined into massive molecules, the reaction is called:	Fission reaction Fusion reaction Polymerization Any of these None of these
7	Each atom in metal crystal:	Remains fixed Vibrates about a fixed point Moves randomly Rotates about center of a crystal None of these
8	The smallest three dimensional basic structure is called as:	An atom Unit cell Crystal lattice Polymer None of these
9	In crystalline solids, atoms are held about their equilibrium positions depending upon the strength of:	Adhesive force Nuclear forces Inter atomic cohesive force Electromagnetic force None of these
10	The pattern of NaCl particles have a shape which is :	Cubic Body centred cubic Simple cubic face centred Both (A) and (C)
11	The whole structure obtained by the repetition of unit cells is called:	Crystal lattice Amorphous solid Polymeric solid Polysterne None of these
12	The temperature at which the vibrations become so great that structure of the Crystal breaks up, is called:	Critical temparature Temperature of vaporization Melting point Both (A) and (C) Both (A) and (B)
13	Tick the one which is not a crystalline solid:	Zirconia Glass Copper Ceramic solid An ionic compound
14	A unit cell is smallest basic structure which is:	One dimensional Two dimensional Three dimensional Four dimensional None of these
15	The arrangement or molecules or atoms in a crystalline solid can be studied by using:	Chemical methods Neutrons X-ray techniques Copper atoms Both (A) and (B)

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