*What is a scalar?
*What is a scalar? If a physical quantity can be completely described by telling its magnitude only and direction is […]
Entries by kp-web-admin
^Type of physical quantities
^Type of physical quantities Physical quantities can be categorized in following four types: (a) Scalars (b) Vectors (c) Ratios (d) […]
^Limitations of dimensions
^Limitations of dimensions Dimensional analysis does not give any information about the scalar or vector nature of the quantity. Dimensions […]
^Uses of dimensions
^Uses of dimensions Correctness of a physical relation can be checked dimensionally. If dimensions of both the sides are found […]
^Parallel plate capacitor
Parallel plate capacitor If the plates X & Y have equal & opposite charges, then charge distribution on plates is […]
*A quantity having dimensions must posses some units, where as dimensionless quantity can have units. e.g. angle.
Facts *A quantity having dimensions must posses some units, where as dimensionless quantity can have units. e.g. angle. Relative velocity […]
^Dimensionless Quantities
^Dimensionless Quantities Strain, angle, solid angle, all Trigonometric ratios, all real numbers, logarithmic functions, exponential functions, Poisson’s ratio, refractive index, […]
*Dimensional Variables
*Dimensional Variables Are the physical quantities which have dimensions as well as variable values. e.g. Force, Mass, Velocity, Area, Volume […]
^Dimensionless Variables
^Dimensionless Variables Are the physical quantities which have no dimensions but have variable values. e.g. Angle, Strain, Specific gravity etc.
*Dimensional Constants
*Dimensional Constants All constants are not dimensionless. The physical quantities which have constant values and dimensions as well are called […]
