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

The definite number of significant figures in 5000 is:

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

Light year is a unit of

Question # 6

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

Question # 7

Diameter of the nucleus s of the order of

Question # 8

Diameter of the atom is of the order of

Question # 9

For addition and subtraction purposes, absolute uncertainties are:

Question # 10

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

Question # 11

1 gm-cm-3is equal to

Question # 12

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

Question # 13

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

Question # 14

For multiplication and division purposes, percentage uncertainties are:

Question # 15

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

Question # 16

Which one is the least multiple:

Question # 17

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

Question # 18

dimensions are the same for:

Question # 19

Light year is a unit of:

Question # 20

0.0001210 has ____________ significant figures.

Question # 21

Branch of physics which deals with the study of stars and galaxies is called:

Question # 22

Distance to nearest galaxy from earth is

Question # 23

The error may occur due to:

Question # 24

Dimension of mass is written as:

Question # 25

In the equation E=mc2 value of c is?

Question # 26

1 gm-cm-3is equal to:

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 1 Important MCQ's

Sr.# Question Answer
1 The mechanics, which deals with the objects moving with velocities approaching that of light is called
A. Relativistic mechanics
B. Wave mechanics
C. Quantum mechanics
D. Statics
2 From sand, we get a material used for construction of computer chips. That material is called:
A. Germanium
B. Silicon
C. Copper
D. Lead
3 Particles have the mass smallest of following is:
A. Electron
B. Proton
C. Neutron
D. Quark
4 Examples of physical quantities are:
A. Length
B. Color
C. Effect of music
D. All of these
5 Distance to nearest galaxy from earth is
A. 1010m
B. 1015m
C. 1040m
D. 1030m
6 The system international (SI) is built from _______ kind of unites
A. Two
B. Three
C. Four
D. Five
7 High energy physics is branch of physics, which deals with:
A. Stars and galaxies
B. Sub-atomic particles
C. Light and sound
D. Molecules
8 Physics is one of the branches of:
A. Social sciences
B. Physical sciences
C. Biological sciences
D. Abstract art
9 If the absolute uncertainty of an instrument is 0.0a1 cm, then its least count will be :
A. 0.005 cm
B. 0.01 cm
C. 0.02 cm
D. 0.001 cm
10 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

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