Dimensionless units in science definition and examples

In the realm of science, measurements are the foundation upon which theories are built. From the vastness of the cosmos to the intricacies of the microscopic world, scientists rely on accurate measurements to unravel the mysteries of the universe. But have you ever wondered if all measurements are the same? Are there any units that don't have a physical dimension? Today, we'll explore the fascinating world of dimensionless units.