MDCAT Physics Chapter 13 Deformation of Solids MCQ's Test With Answers

MDCAT Physics Chapter 13 Deformation of Solids MCQ's Test

Sr. # Questions Answers Choice
1 The magnetism produced by electrons within an atom can arise from electrons orbiting the nucleus electrons orbiting the nucleus both motions none one these motions
2 Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at 125 K 25 K 263 K 163 K
3 Any superconductor with critical temperature above 77 K, is referred as low temperature superconductor high temperature superconductor very low temperature superconductor none of them
4 The critical temperature of lead is 1.18 K 4.2 K 3.72 K 7.2 K
5 The critical temperature of tin is 1.18 K 4.2 K 3.72 K 7.2 K
6 The critical temperature of aluminum is 1.18 K 4.2 K 3.72 K 7.2 K
7 The critical temperature of mercury is 1.18 K 4.2 K 3.72 K 7.2 K
8 There are some materials whose resistivity becomes zero below a certain temperature, called absolute zero 0<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">° C</span> critical temperature lower fixed point
9 In a semi-conductor material, the total current is only the +ve current only the electronic current sum of +ve and electronic current all of them
10 In a semi-conductor material, current flows due to positive charge negative charge both of them none of them
11 Whenever a covalent bond is broken in an intrinsic semi-conductor hole is created an electron is created an electron hole is generated all of them
12 When a silicon crystal is doped with a trivalent element, then the atom of the trivalent element is known as acceptor donor either of them none of them
13 When a silicon crystal is doped with a pentavalent element, then the atom of the pentavalent element is known as acceptor donor either of them none of them
14 A hole in a semi-conductor material is treated as positive charge negative charge neutral none of them
15 When a silicon crystal is doped with a trivalent element, such an extrinsic semi-conductor is called p-type semi-conductor n-type semi-conductor either of them none of them
16 When a sillicon crystal is doped with a pentavalent element, such an extrinsic semi-conductor is called p-type semi-conductor n-type semi-conductor either of them none of them
17 Arsenic, antimony and phosphorous are the elements from third group fourth group fifth group none of them
18 The bonding between the semi-conductor materials is covalent ionic either of them none of them
19 Semi-conductor elements have atoms with 2 valence electrons 3 valence electrons 4 valence electrons 5 valence electrons
20 The doped semi-conductors materials are known as intrinsic semi-conductor extrinsic semi-conductor either of them none of them
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