ECAT Physics Chapter 1 Measurements Online Test With Answers

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ECAT Physics Chapter 1 Measurements Online Test

Sr. # Questions Answers Choice
1 Total number of base units are Three Five Seven Nine
2 The system international (SI) is built from _______ kind of unites Two Three Four Five
3 The principle characteristics of an ideal standard are Inaccessible and Invariable Accessible and Invariable Accessible and Variable None of these
4 Diameter of the atom is of the order of 10<sup>-10</sup>m 10<sup>-12</sup>m 10<sup>-15</sup>m 10<sup>-9</sup>m
5 Diameter of the nucleus s of the order of 10<sup>-10</sup>m 10<sup>-12</sup>m 10<sup>-15</sup>m 10<sup>-18</sup>m
6 Distance to nearest galaxy from earth is 10<sup>10</sup>m 10<sup>15</sup>m 10<sup>40</sup>m 10<sup>30</sup>m
7 Physical quantities are often divided into ______ categories 3 2 9 5
8 Those quantities which can be measured accurately are known as Physical Quantities Scalar Quantities Vector Quantities Non Physical Quantities
9 Which branch of physics deals with the structure and properties of solids Atomic Physics Plasma Physics Molecular Physics Solid state physics
10 Computer chips are made from Conductors Semiconductors Insulators Both A and B
11 The branch of physics which concerned with the ultimate particles of which the universe is composed is known as SolidState physics Particle Physics Nuclear Physics Atomic Physics
12 The instrument used to gather information form the far side of the universe is Compound microscope Radio telescope Astronomical Telescope Simple microscope
13 At the present time, the main frontiers of fundamental science are 2 3 4 5
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