ECAT Pre General Science Online Test With Answers

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ECAT Pre General Science Online Test

Sr. # Questions Answers Choice
1 One KWh is equal to: 3.6 x 10<sup>2</sup>J 3.6 KJ 3.6 x 10<sup>1</sup>KJ 3.6 MJ
2 The velocity given to a body to go out of the influence of earth's gravity is known as: Terminal velocity Orbital velocity Escape velocity None of these
3 When two protons are brought closer potential energy of both of them: Increases Decreases Remains same None of these
4 A body of weight 1 N has a kinetic energy of 1 joule when its speed is: 1.46 m sec<sup>-1</sup> 2.44 m sec<sup>-1</sup> 3.42 m sec<sup>-1</sup> 4.43 m sec<sup>-1</sup>
5 Tick the conservation force: Tension in a string Air resistance string Elastic spring force Frictional force
6 Work done along a closed path in a gravitational field is: Maximum Minimum Zero Unity
7 Relativistic mechanics is a branch of physics, which deal with the bodies moving with velocities: More then c Approaching c Equal to c Much less than x
8 The branch of physics, which deals with the structure an properties of solids is called: Plasma physics Solid state physics Any of above Astro physics
9 Density is defined as: Mass per volume Volume per mass Mass x volume Mass per length
10 High energy physics is branch of physics, which deals with: Stars and galaxies Sub-atomic particles Light and sound Molecules
11 In the equation E=mc2value of c is: 1,86,000 miles per hour 1,86,000 miles per sec 3 X 10<sup>8</sup>m/sec Both A and C Both B and C
12 From sand, we get a material used for construction of computer chips. That material is called: Germanium Silicon Copper Lead
13 The branch of physics which is mainly concerned with the motion of bodies under the action of forces is called: Optics Mechanics Thermodynamics Astro physics
14 Electron is a particle whose mass is: Greater than that of a proton Smaller than that of a proton Smaller than that of a proton or a neutron Greater than that of an atom
15 Aerodynamics is a branch of: Hydrodynamics Thermodynamics Both of them Statics
16 The branch of physics which deals with the properties of fundamental particles is called: High energy physics Molecular physics Astrophysics Space physics
17 Particles have the mass smallest of following is: Electron Proton Neutron Quark
18 The mechanics, which deals with the objects moving with velocities approaching that of light is called: Relativistic mechanics Wave mechanic Quantum mechanics Statics
19 Astrophysics is a branch of physics, which deals with: Sub-atomic particles Stars and galaxies Light and sound Music
20 The information from far side of the universal are gathered by: Radio telescope Microscope Telescope Spectro scpe
21 Physics details with the study of: Matter Energy Both of them Human body
22 The time taken by light to travel from moon to earth is: 80 sec 500 sec 1.802 X 10<sup>4</sup>sec Aerophysics
23 The quantity have dimension of ML2T02will have SI unit of: Watt Newton Joule Metre
24 Which quantity has different dimensions: Work Pressure Energy Torque
25 Addition of 2.189 kg, 0.089 kg, 11.8 kg, and 5.32 kg gives the rounded off answer as: 19.398 19.400 19.4 19.3
26 Significant figures in 0.0010 are: Four Three Two One
27 Which one of the least multiple: Pico Femto Nano Atto
28 1 gm-cm-3is equal to: 10<sup>3</sup>kg-m<sup>-3</sup> 10<sup>-3</sup>kg-m<sup>-3</sup> 1 kg-m<sup>-3</sup> 10<sup>6</sup>kg-m<sup>-1</sup>
29 Light year is a unit of: Time Distance Velocity Intensity of light
30 A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s One coulomb 0.5 coulomb 30 coulombs 2 coulombs None of these
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