Physics ICS Part 2 Online MCQ's Test With Answers

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Physics ICS Part 2 Online MCQ's Test

Sr. # Questions Answers Choice
1 Recently superconductor discovered is at temperature. 110K 143K 16.3K 119K
2 The first superconductor was discovered in: 1831 1911 1921 1876
3 Those materials whose resistivity becomes zero at certain temperature is called: Semiconductor Super conductor  Conductor Insulator
4 Insulators have: An empty conduction band Al full valence band A large energy gap All of above
5 A semiconductor in its extremely pure form is known as: Intrinsic Extrinsic Both a and b None of above
6 The temperature at which, semiconductor behaves as insulators: 10k 0k 237k None of above
7 Energy band theory is based upon Hund's Rule Heisenberg uncertainty principle Bohr's atomic Model Wave mechanical model
8 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>
9 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
10 Shear modulus is expressed as: G = tanθ/F/A F/A/tanθ F/tanθ tanθ/A
11 The ratio of applies  stress to volumetric strain is called: Young modulus Shear modulus Bulk modulus Tensile modulus
12 The unit of strain is: Nm Nm<sup>-2</sup> no unit Nm<sup>2</sup>
13 The SI unit of Stress is: Nm Nm<sup>2</sup> NM<sup>-2</sup> Nm<sup>3</sup>
14 Natural rubber is an example of: Crystalline solids Amorphous solids Polymeric solids None of above
15 The solid with definite M.L are called: Crystalline Amorphous Polymeric None of above
16 The word amorphous means: Regular structured Without form or structure Frozen structured None of above
17 There is regular arrangement of molecules in: Amorphous solids Crystalline solids Both a and b None of above
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