Physical property

Physical property is a characteristic of a material or substance that can be observed or measured without changing the substance's chemical composition. Physical properties are used to observe and describe matter.

Types of Physical Properties

Physical properties are generally grouped into two categories: intensive properties and extensive properties.

Intensive Properties

Intensive properties do not depend on the amount of matter present. They include temperature, refractive index, density, and hardness.

Extensive Properties

Extensive properties, on the other hand, do change with the amount of matter present. Examples include mass, volume, and energy.

Measurement of Physical Properties

Physical properties are often measured in a laboratory using tools and methods such as spectroscopy, viscometry, or microscopy. These measurements can provide valuable information about a substance's structure and properties.

Uses of Physical Properties

Physical properties are used in a variety of scientific and industrial applications. For example, they can be used to identify substances, to choose materials for specific applications, or to predict how substances will behave under different conditions.

See Also

• Chemical property
• Material properties
• List of materials properties

References

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