Fsc physics test online-Fsc Part 2 test Physics-chapter 17 Physics of Solid | ilmkidunya

Physics FSC Part 2 Chapter 17 Online MCQ's Test

Sr. #	Questions	Answers Choice
1	Energy band theory is based upon	Hund's Rule Heisenberg uncertainty principle Bohr's atomic Model Wave mechanical model
2	Semiconductors have conductivity of order:	10<sup>-8</sup> to 10<sup>-6</sup> (Ωm)<sup>-1</sup> 10<sup>-6</sup> to 10<sup>-4</sup> (Ωm)<sup>-1</sup> 10<sup>2</sup> to 10<sup>5</sup> (Ωm)<sup>-1</sup> 10<sup>-5</sup> to 10<sup>-7</sup> (Ωm)<sup>-1</sup>
3	Conductors have conductivities of order:	10<sup>3</sup>(Ωm)-1 10<sup>7</sup>(Ωm)<sup>-1</sup> 10<sup>7</sup>Ωm<sup>-1</sup> 10<sup>-6</sup>Ω
4	Shear modulus is expressed as:	G = tanθ/F/A F/A/tanθ F/tanθ tanθ/A
5	The ratio of applies stress to volumetric strain is called:	Young modulus Shear modulus Bulk modulus Tensile modulus
6	The unit of strain is:	Nm Nm<sup>-2</sup> no unit Nm<sup>2</sup>
7	The SI unit of Stress is:	Nm Nm<sup>2</sup> NM<sup>-2</sup> Nm<sup>3</sup>
8	Natural rubber is an example of:	Crystalline solids Amorphous solids Polymeric solids None of above
9	The solid with definite M.L are called:	Crystalline Amorphous Polymeric None of above
10	The word amorphous means:	Regular structured Without form or structure Frozen structured None of above
11	There is regular arrangement of molecules in:	Amorphous solids Crystalline solids Both a and b None of above
12	Which of the following has bulk modulus?	Water Gas Honey All
13	Coercive force is used to	Demagnetize the material Magnetize the material Extend it None of these
14	At 0 K a piece of silicon is a	Conductor Semi-conductor Insulator All
15	A pentaralent impurity in Si	a free electron and a free hole a free hole a free electron No free particle
16	The domain theory of magnet is important to explain the behaviour of	Diamagnets Paramagnets Ferromagnets All of these
17	The curie temp for iron is about	800<sup>o</sup>C 740<sup>o</sup>C 750<sup>o</sup>C 650<sup>o</sup>C

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