What Is Derived Quantities?

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In the realm of physics, quantities play a pivotal role in understanding and describing the physical world. While some quantities are fundamental, others are derived. This article explores the concept of derived quantities, delving into their definition, examples, and significance in the study of physics.

What Is Derived Quantities?

Derived quantities in physics are those that are derived from fundamental quantities. These fundamental quantities, also known as base quantities, include mass, length, time, electric current, temperature, amount of substance, and luminous intensity. Derived quantities, however, are combinations of these base quantities.

What Is Derived Quantities In Physics Class 11:

For students in Class 11 studying physics, understanding derived quantities is a fundamental aspect of their curriculum. This knowledge forms the basis for more advanced topics and applications in later stages of their physics education.

Derived Quantity Examples:

  • Velocity: Derived from the base quantities of length and time, velocity is expressed as the rate of change of displacement with respect to time.
  • Acceleration: This is derived from velocity and time, representing the rate of change of velocity with respect to time.
  • Force: Derived from mass, length, and time, force is expressed as the product of mass and acceleration.

What Is Derived Quantities Class 9:

In Class 9 physics, students encounter the concept of derived quantities, expanding their understanding beyond fundamental quantities. The curriculum introduces them to the relationships and equations involving these derived quantities.

22 Derived Quantities:

Physics encompasses a multitude of derived quantities beyond the examples mentioned earlier. In total, there are 22 derived quantities recognized within the International System of Units (SI), covering diverse aspects of motion, energy, electricity, and more.

Define Derived Quantity With Example:

To define a derived quantity, it is essential to understand its dependence on base quantities. For example, electrical power (in watts) is a derived quantity defined as the product of voltage (in volts) and current (in amperes).

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Derived Quantity Formula:

The formulas for derived quantities are established based on the relationships between fundamental quantities. For instance, the formula for momentum (a derived quantity) is given by the product of mass and velocity:


Derived Quantities And Their Units:

Each derived quantity has its own set of units, which are combinations of the base units. The units are carefully defined to ensure consistency and accuracy in scientific measurements. Understanding the units associated with derived quantities is crucial for precise scientific communication.


In conclusion, derived quantities in physics serve as bridges between fundamental quantities, providing a deeper understanding of the physical phenomena that surround us. From motion to energy, these derived quantities enrich our comprehension of the intricate relationships governing the natural world. Whether you are a student embarking on the fascinating journey of physics or a curious mind delving into the principles that govern our universe, grasping the concept of derived quantities is an essential step toward unlocking the mysteries of the physical realm.


What Is A Derived Quantity?

Derived quantities are the quantities that can be derived from fundamental quantities. Example: speed is a derived quantity. It can be derived from fundamental quantities , length and time.

What Are 5 Derived Units?

Five common derived units are: area (m2) meter x meter, measure of a surface. acceleration (m/s2) meter per second squared, measure of increased speed. concentration (mol/m3) mole per cubic meter, measure of a solute in a solution. density (kg/m3) kilogram per cubic meter, measure of compactness.

What Are The 22 Derived Quantities?

The 22 Coherent Derived SI Units are as follows:

  • Hertz for Frequency.
  • Joule for Energy, Work, Heat.
  • Pascal for Pressure, Stress.
  • Radian for Angle.
  • Steradian for Solid Angle.
  • Coulomb for Electric Charge.
  • Newton for Force.
  • Ohm for Electric Resistance.

What Is Derived Unit Class 11?

The units of all other physical quantities which are derived from the fundamental units are called the derived units.

I Have Covered All The Following Queries And Topics In The Above Article

What Is Derived Quantities In Physics Class 11

What Is Derived Quantities In Physics

Derived Quantity Examples

What Is Derived Quantities Class 9

22 Derived Quantities

Define Derived Quantity With Example

Derived Quantity Formula

Derived Quantities And Their Units

What Is Derived Quantities