ECAT Pre General Science Physics Chapter 1 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 1 Measurements

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ECAT Pre General Science Physics Chapter 1 Measurements

00:00
Question # 1

Significant figures in 0.2020 are:

Question # 2

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

Question # 3

Significant figures in 0.0010 are:

Question # 4

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

Question # 5

Density is defined as:

Question # 6

The quantity have dimension of ML2T02will have SI unit of:

Question # 7

Light year is a unit of

Question # 8

Astrophysics is a branch of physics, which deals with:

Question # 9

Light year is a unit of:

Question # 10

Aerodynamics is a branch of

Question # 11

A dimension stands for the ___________ nature of certain physical quantity.

Question # 12

Diameter of the nucleus s of the order of

Question # 13

The machines which deals with the objects moving with velocities approaching that of light is called:

Question # 14

Particles have the mass smallest of following is:

Question # 15

Electron is a particle whose mass is:

Question # 16

The study of physics involves?

Question # 17

Total number of base units are

Question # 18

Electron is a particle whose mass is:

Question # 19

For multiplication and division purposes, percentage uncertainties are:

Question # 20

Astrophysics is a branch of physics, which deals with

Question # 21

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

Question # 22

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

Question # 23

If the absolute uncertainty of an instrument is 0.0a1 cm, then its least count will be :

Question # 24

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

Question # 25

Number of supplementary units are

Question # 26

For addition and subtraction purposes, absolute uncertainties are:

Question # 27

Examples of physical quantities are:

Question # 28

dimensions are the same for:

Question # 29

1 gm-cm-3is equal to

Question # 30

Silicon can be obtained from

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ECAT Physics Chapter 1 Important MCQ's

Sr.# Question Answer
1 The system international (SI) is built from _______ kind of unites
A. Two
B. Three
C. Four
D. Five
2 Uncertainty is of following type/types:
A. Absolute
B. Fractional
C. Percentage
D. All of these
3 Relativistic mechanics is a branch of physics, which deal with the bodies moving with velocities:
A. More then c
B. Approaching c
C. Equal to c
D. Much less than x
4 From sand, we get a material used for construction with the motion of bodies under the action of forces is called:
A. Optics
B. Mechanics
C. Thermodynamics
D. Astrophysics
5 Aerodynamics is a branch of
A. Hydrodynamics
B. Thermodynamics
C. Both of them
D. Statics
6 Significant figures in 0.0010 are:
A. Four
B. Three
C. Two
D. One
7 For addition and subtraction purposes, absolute uncertainties are:
A. Added
B. Subtracted
C. Multipiled
D. Divided
8 The maximum possible error in the reading for a meter rod with least count 1 mm is:
A. 0.005 mm
B. 0.05mm
C. 0.5mm
D. 5.0mm
9 The time taken by light to travel from moon to earth is:
A. 80 sec
B. 500 sec
C. 1.802 X 104sec
D. Aerophysics
10 Which one is the least multiple:
A. Pico
B. Femto
C. Nano
D. Atto

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