ECAT Pre General Science Physics Chapter 1 MCQ Test With Answer

Question # 1

Astrophysics is a branch of physics, which deals with

Sub-atomic A
Stars and galaxies B
Light and sound C
Music D

Question # 2

Density is defined as:

Mass per volume A
Volume per mass B
Mass X volume C
Mass per length D

Question # 3

Which one is the least multiple:

Pico A
Femto B
Nano C
Atto D

Question # 4

The maximum possible error in the reading of an instrument is ______ its least count.

Half of A
Quarter of B
Equal to C
Double than D

Question # 5

Physics is one of the branches of:

Social sciences A
Physical sciences B
Biological sciences C
Abstract art D

Question # 6

Physical quantities are often divided into ______ categories

3 A
2 B
9 C
5 D

Question # 7

From sand, we get a material used for construction with the motion of bodies under the action of forces is called:

Optics A
Mechanics B
Thermodynamics C
Astrophysics D

Question # 8

For addition and subtraction purposes, absolute uncertainties are:

Added A
Subtracted B
Multipiled C
Divided D

Question # 9

Which of the following are the units of intensity of light

Pois A
Lux B
Siemen C
Candela D

Question # 10

The instrument used to gather information form the far side of the universe is

Compound microscope A
Radio telescope B
Astronomical Telescope C
Simple microscope D

Question # 11

Which one is the least multiple

Pico A
Femto B
Nano C
Atto D

Question # 12

Electron is a particle whose mass is:

Greater than that of a proton A
Smaller than that of a proton B
Smaller than that of a proton or a neutron C
Greater than that of an atom D

Question # 13

The time taken by light to travel from moon to earth is:

80 sec A
500 sec B
1.802 X 10⁴sec C
Aerophysics D

Question # 14

Radio telescope is used to gather information from

Earth A
Moon only B
Far side of the universe C
Sea water D

Question # 15

High energy physics is branch of physics, which deals with:

Stars and galaxies A
Sub-atomic particles B
Light and sound C
Molecules D

Question # 16

The branch of physics, which deals with the structure an properties of solids is called:

Plasma physics A
Solid state physics B
Any of above C
Astro physics D

Question # 17

Those quantities which can be measured accurately are known as

Physical Quantities A
Scalar Quantities B
Vector Quantities C
Non Physical Quantities D

Question # 18

Which quantity has different dimension?

Tension A
Work B
Energy C
Torque D

Question # 19

The branch of physics which is mainly concerned with the motion of bodies under the action of forces is called:

Optics A
Mechanics B
Thermodynamics C
Astro physics D

Question # 20

Physics deals with the study of

Matter A
Energy B
Both of them C
Human Body D

Question # 21

The branch of physics which concerned with the ultimate particles of which the universe is composed is known as

SolidState physics A
Particle Physics B
Nuclear Physics C
Atomic Physics D

Question # 22

Which quantity has different dimension:

Work A
Pressure B
Energy C
Torque D

Question # 23

The study of physics involves?

Structure of space and time A
Interaction of electromagnetic radiation with matter B
Both of them C
Chemical changes D
None of them E

Question # 24

The information from far side of the universe are gathered by:

Radio telescope A
Microscope B
Telescope C
Spectro scope D

Question # 25

Light year is a unit of

Time A
Distance B
Velocity C
Intensity of light D

Question # 26

Diameter of the nucleus s of the order of

10^-10m A
10^-12m B
10^-15m C
10^-18m D

Question # 27

In the equation E=mc²value of c is:

1,86,000 miles per hour A
1,86,000 miles per sec B
3 X 10⁸m/sec C
Both A and C D
Both B and C E

Question # 28

Number of supplementary units are

Three A
Two B
Seven C
Five D

Question # 29

Addition of 2.189 kg, 0.089 kg, 11.8 kg, and 5.32 kg gives the rounded off answer as:

19.398 A
19.400 B
19.4 C
19.3 D

Question # 30

Which one of the least multiple:

Pico A
Femto B
Nano C
Atto D

Sr.#	Question	Answer
1	The branch of physics which is mainly concerned with the motion of bodies under the action of forces is called:	A. Optics B. Mechanics C. Thermodynamics D. Astro physics
2	Radio telescope is used to gather information from	A. Earth B. Moon only C. Far side of the universe D. Sea water
3	Light year is a unit of:	A. Time B. Distance C. Velocity D. Intensity of light
4	The study of physics involves?	A. Structure of space and time B. Interaction of electromagnetic radiation with matter C. Both of them D. Chemical changes
5	The information from far side of the universe are gathered by:	A. Radio telescope B. Microscope C. Telescope D. Spectro scope
6	In the equation E=mc²value of c is:	A. 1,86,000 miles per hour B. 1,86,000 miles per sec C. 3 X 10⁸m/sec D. Both A and C
7	The quantity having dimension of ML²T⁰²will earth is:	A. 80 sec B. 500 sec C. 1.802 X 10⁴sec D. Aerophysics
8	1 gm-cm^-3is equal to	A. 10³kg-m^-3 B. 10^-3kg-m^-3 C. 1kg-m^-3 D. 10⁶kg-m^-1
9	The branch of physics which concerned with the ultimate particles of which the universe is composed is known as	A. SolidState physics B. Particle Physics C. Nuclear Physics D. Atomic Physics
10	Astrophysics is a branch of physics, which deals with:	A. Sub-atomic particles B. Stars and galaxies C. Light and sound D. Music

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