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

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Question # 1

Light year is a unit of

Question # 2

Electron is a particle whose mass is:

Question # 3

Particles have the mass smallest of following is:

Question # 4

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

Question # 5

The maximum possible error in the reading for a meter rod with least count 1 mm is:

Question # 6

Examples of physical quantities are:

Question # 7

0.0001210 has ____________ significant figures.

Question # 8

Significant figures in 0.2020 are:

Question # 9

Total number of base units are

Question # 10

Which quantity has different dimension?

Question # 11

The information from far side of the universe are gathered by

Question # 12

The branch of physics which deals with the properties of fundamental particles is called:

Question # 13

From sand, we get a material used for construction of computer chips. That material is called:

Question # 14

Relativistic mechanics is a branch of physics, which deal with the bodies moving with velocities:

Question # 15

Which quantity has different dimensions:

Question # 16

The system international (SI) is built from _______ kind of unites

Question # 17

The quantity having dimension of ML2T02will earth is:

Question # 18

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

Question # 19

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

Question # 20

The quantity have dimension of ML2T02will have SI unit of:

Question # 21

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

Question # 22

dimensions are the same for:

Question # 23

At the present time, the main frontiers of fundamental science are

Question # 24

Silicon can be obtained from

Question # 25

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

Question # 26

Radio telescope is used to gather information from

Question # 27

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

Question # 28

Uncertainty is of following type/types:

Question # 29

Which of the following are the units of intensity of light

Question # 30

In the equation E=mc2value of c is:

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ECAT Physics Chapter 1 Important MCQ's

Sr.# Question Answer
1 In the equation E=mc2 value of c is?
A. 186000 miles per hour
B. 186000 miles per sec
C. 3 X 108m/sec
D. Both A and C
2 1 gm-cm-3is equal to
A. 103kg-m-3
B. 10-3kg-m-3
C. 1kg-m-3
D. 106kg-m-1
3 Physical quantities are often divided into ______ categories
A. 3
B. 2
C. 9
D. 5
4 The quantity have dimension of ML2T02will have SI unit of:
A. Watt
B. Newton
C. Joule
D. Metre
5 Examples of physical quantities are:
A. Length
B. Color
C. Effect of music
D. All of these
6 High energy physics is branch of physics, which deals with:
A. Stars and galaxies
B. Sub-atomic particles
C. Light and sound
D. Molecules
7 Computer chips are made from
A. Conductors
B. Semiconductors
C. Insulators
D. Both A and B
8 Aerodynamics is a branch of:
A. Hydrodynamics
B. Thermodynamics
C. Both of them
D. Statics
9 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
10 For multiplication and division purposes, percentage uncertainties are:
A. Add
B. subtracted
C. Multiplied
D. Divided

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