Define Unit & characteristics of unit

 Unit:

• A unit is a standard measure of a physical quantity.
• Units allow for the numerical expression of physical quantities and facilitate comparison and analysis.
• Examples of units include meters for length, kilograms for mass, and seconds for time.
• Units can be both standard and derived, with standard units being used for fundamental physical quantities and derived units being used for quantities obtained by combining or manipulating fundamental quantities.

Characteristics of a Unit:

• Consistency: A unit must be consistently defined and used to ensure accuracy in measurement and comparison.
• Interchangeability: Units must be interchangeable, allowing for the conversion of one unit to another as required.
• Universality: Units must be universally agreed upon and used, allowing for consistent measurements and comparisons across different systems.
• Precision: Units must be precise and allow for accurate measurement of physical quantities to the required level of detail.
• Easiness of Measurement: Units must be easily measurable and accessible for use in a wide range of applications.
• Standardization: Units must be standardized to ensure consistency in their definition and use.