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Units and Measurement Quiz

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Questions and Answers

What is the internationally accepted reference standard for measurement called?

International unit (correct)

Unit of comparison

Fundamental unit

Derived unit

What are the units for the fundamental or base quantities called?

Standard units

Primary units

Basic units (correct)

Initial units

What are the units obtained for the derived quantities called?

Derived units (correct)

Composite units

Derived quantities

Secondary units

What is a complete set of both the base units and derived units known as?

System of units Signup and view all the answers

1.2

1.2 Signup and view all the answers

What is the result of a measurement of a physical quantity expressed by?

A number accompanied by a unit Signup and view all the answers

What are the units for the fundamental or base quantities called?

Fundamental or base units Signup and view all the answers

What is a complete set of both the base units and derived units known as?

System of units Signup and view all the answers

What does the measurement of any physical quantity involve comparison with?

An internationally accepted reference standard called unit Signup and view all the answers

What were three systems of units in use extensively till recently?

The CGS, the FPS (or British) system and the MKS system Signup and view all the answers

What is the internationally accepted reference standard for measurement called?

International system of units Signup and view all the answers

What are the units for the fundamental or base quantities called?

Basic units Signup and view all the answers

What does a complete set of both the base units and derived units form?

System of units Signup and view all the answers

What were three systems of units in use extensively till recently?

CGS, MKS, and FPS Signup and view all the answers

What are the units obtained for the derived quantities called?

Derived units Signup and view all the answers

Study Notes

Measurement Standards

The internationally accepted reference standard for measurement is called the System of International Units (SI).
The units for the fundamental or base quantities are called base units.
The units obtained for the derived quantities are called derived units.
A complete set of both the base units and derived units is known as the SI system.

Measurement of Physical Quantities

The result of a measurement of a physical quantity is expressed by a numerical value and a unit of measurement.
The measurement of any physical quantity involves comparison with a standard unit.

Historical Systems of Units

Three systems of units were in use extensively till recently: CGS (Centi-Gram-Second), FPS (Foot-Pound-Second), and MKS (Meter-Kilogram-Second).

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Description

Test your knowledge of units and measurement with this quiz covering topics such as the international system of units, significant figures, dimensional formulae, and dimensional analysis. Learn about the fundamental concepts and applications related to the measurement of physical quantities.