12th class Physics chapter 17 online mcq test with answers for ICS part 2 Physics Chapter 17 (Physics of Solids)

Physics ICS Part 2 Chapter 17 Online MCQ's Test

Sr. #	Questions	Answers Choice
1	Domains are existed in	Ferromagnetic materials Paramagnetic materials Semi conductors Diamagnetic materials
2	Which of the following has least hysteresis loop area.	Steel Wrought Iron Soft Iron Cobalt
3	Very weak magnetic field produced by brain can be detected by	MRI CAT scans Squid CRO
4	The most suitable metal for making permanent magnet is.	Iron Aluminium Steel Copper
5	A solid having regular arrangement of molecules throughout its structure is called.	Amorphous solid Polymeric solid Crystalline solid Glassy solid
6	Soft magnetic material is	Sodium Steel Iron Copper
7	The substance which atom cooperates with each other in such a way so as to exhibit a strong magnetic field is called.	Ferromagnetic Paramagnetic Diamagnetic Non magnetic
8	After curie temperature.	Ferromagnetic Paramagnetic Magnetic Diamagnetic
9	In extrinsic semiconductors doping is of the order of.	1 atom to 10<sup>4</sup> 1 atom to 10<sup>6</sup> 1 atom to 10<sup>8</sup> 1 atom to 10<sup>3</sup>
10	The critical temperature of mercury is.	1.18 K 4.2 K 3.72 K 7.2 K
11	The critical temperature of Aluminum is.	3.72 K 1.18 K 7.2 K 8.2 K
12	Minority carriers in P-Types , substances are.	Electrons Protons Holes Neutrons
13	A material which is insulator at 0 K and conduct at room temperature is.	Silver Lead Germanium Polythene
14	Which one pair belongs to acceptor impurity.	Aresincl, phosphorus Boron, gallium Arsenic, antimony Antimony, indium
15	Which one is pentavalent impurity	Boron Gallium Antimony Indium
16	Donor impurities are	Germanium, silicon Indium, galium Antimony, arsenic Diamond, carbon
17	In 'N' type material, the minority charge carriers are.	Free electrons Holes Protons Mesons

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