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

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

Question # 2

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

Question # 3

For multiplication and division purposes, percentage uncertainties are:

Question # 4

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

Question # 5

1 gm-cm-3is equal to

Question # 6

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

Question # 7

Radio telescope is used to gather information from

Question # 8

Diameter of the nucleus s of the order of

Question # 9

Particles have the mass smallest of following is:

Question # 10

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

Question # 11

Silicon can be obtained from

Question # 12

Density is defined as:

Question # 13

Distance to nearest galaxy from earth is

Question # 14

Significant figures in 0.0010 are

Question # 15

Physics is one of the branches of:

Question # 16

Computer chips are made from

Question # 17

Those quantities which can be measured accurately are known as

Question # 18

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

Question # 19

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

Question # 20

The definite number of significant figures in 5000 is:

Question # 21

Total number of base units are

Question # 22

The quantity having dimension of ML2T02will earth is:

Question # 23

Light year is a unit of:

Question # 24

Physics details with the study of:

Question # 25

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

Question # 26

In the equation E=mc2value of c is:

Question # 27

1 gm-cm-3is equal to:

Question # 28

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

Question # 29

Particles have the mass smallest of following is

Question # 30

The error may occur due to:

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ECAT Physics Chapter 1 Important MCQ's

Sr.# Question Answer
1 Dimension of mass is written as:
A. M
B. [M]
C. (M)
D. [m]
2 For addition and subtraction purposes, absolute uncertainties are:
A. Added
B. Subtracted
C. Multipiled
D. Divided
3 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
4 Radio telescope is used to gather information from
A. Earth
B. Moon only
C. Far side of the universe
D. Sea water
5 1 gm-cm-3is equal to:
A. 103kg-m-3
B. 10-3kg-m-3
C. 1 kg-m-3
D. 106kg-m-1
6 The quantity have dimension of ML2T02will have SI unit of:
A. Watt
B. Newton
C. Joule
D. Metre
7 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
8 Which one is the least multiple
A. Pico
B. Femto
C. Nano
D. Atto
9 The principle characteristics of an ideal standard are
A. Inaccessible and Invariable
B. Accessible and Invariable
C. Accessible and Variable
D. None of these
10 The maximum possible error in the reading of an instrument is ______ its least count.
A. Half of
B. Quarter of
C. Equal to
D. Double than

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