ECAT Pre Computer Science Chapter 1 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 1 Measurements

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ECAT Physics Chapter 1 Measurements

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Question # 1

The definite number of significant figures in 5000 is:

Question # 2

Physics details with the study of:

Question # 3

Dimension of mass is written as:

Question # 4

Radio telescope is used to gather information from

Question # 5

Particles have the mass smallest of following is:

Question # 6

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

Question # 7

Density is defined as:

Question # 8

Which branch of physics deals with the structure and properties of solids

Question # 9

0.0001210 has ____________ significant figures.

Question # 10

The error may occur due to:

Question # 11

Which quantity has different dimensions:

Question # 12

Density is defined as:

Question # 13

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

Question # 14

Those quantities which can be measured accurately are known as

Question # 15

Light year is a unit of:

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ECAT Physics Chapter 1 Important MCQ's

Sr.# Question Answer
1 Electron is a particle whose mass is:
A. Greater than that of a proton
B. Smaller than of a proton and greater than mass of neutron
C. Smaller than that of proton or neutron
D. Greater than that of an atom
2 Examples of physical quantities are:
A. Length
B. Color
C. Effect of music
D. All of these
3 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
4 The mechanics, which deals with the objects moving with velocities approaching that of light is called:
A. Relativistic mechanics
B. Wave mechanic
C. Quantum mechanics
D. Statics
5 Total number of base units are
A. Three
B. Five
C. Seven
D. Nine
6 Astrophysics is a branch of physics, which deals with:
A. Sub-atomic particles
B. Stars and galaxies
C. Light and sound
D. Music
7 Which one of the least multiple:
A. Pico
B. Femto
C. Nano
D. Atto
8 Significant figures in 0.0010 are:
A. Four
B. Three
C. Two
D. One
9 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
10 Significant figures in 0.2020 are:
A. Two
B. Three
C. Four
D. Five

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