Scalars and Vectors (A-level Physics Revision Notes)

Scalars and Vectors

Physical quantities are divided into two types: scalars and vectors. On the basis of certain categories, the physical quantities are divided into these two types. The quantities like mass, distance, speed, displacement, force, etc., are described and measured accordingly. Scalars … Read more

Errors and Uncertainty (A Level Physics Revision Notes)

Errors and uncertainties

Errors and uncertainty are the two basic outcomes of any measurement carried out. Almost every scientific measurement and experiment involves measuring physical quantities such as length, mass, time, temperature, current, voltage, force, or volume. However, no physical measurement can give … Read more

SI Units (A Level Physics Revision Notes)

SI Units

What Are SI Units? SI Units are an important part of the measurement of physical quantities. Measurement is the foundation of physics. So, to make the measurement system easily understood by everyone, a common standard system was built, called the … Read more