ECAT Pre Computer Science Chapter 17 MCQ Test With Answer

Top Scorers Of ECAT Physics Chapter 17 Physics of Solids MCQ`s Test

Sr.#	Question	Answer
1	Which of the following can become a good permanent magnet	A. iron B. steel C. both of them D. none of them
2	A structure of polymeric solid is:	A. An ordered structure B. A disordered structure C. Intermediate between order and disorder D. Any of these
3	The temperature at which the vibrations become so great that structure of the Crystal breaks up, is called:	A. Critical temparature B. Temperature of vaporization C. Melting point D. Both (A) and (C)
4	The valence band of an atom in a solid	A. is always empty B. may or may not be empty C. can never be empty D. none of them
5	When a large number of atoms are brought close to one another to form a solid, each energy level of an isolated atom splits into sub-levels, called	A. energy bands B. energy shells C. states D. all of them
6	The critical temperature of aluminium is	A. 1.18 K B. 4.2 K C. 3.72 K D. 7.2 K
7	The first super conductor was discovered in	A. 1811 B. 1890 C. 1901 D. 1911
8	Tick the one which is not a crystalline solid:	A. Zirconia B. Glass C. Copper D. Ceramic solid
9	The conduction band in a solid	A. may be empty B. cannot be empty C. should be filed D. all of them
10	The results of mechanical tests are usually expressed in terms of	A. stress B. strain C. stress and strain D. neither strees nor strain