Visualizing the fundamental concepts that govern our reality
The branch of physics related to the laws of motions and gravitation.
The study of heat and temperature and their relationship with energy and work.
The study of the nucleus of an atom and nuclear reactions.
Physical quantities which cannot be explained by other physical quantities.
Physical quantities which are explained on the basis of fundamental quantities.
Mass per unit volume is called density. It is a scalar quantity.
ρ = m / v
where ρ is density, m is mass, and v is volume
Cylinder:
V = πr²h
Sphere:
V = (4/3)πr³
A precision instrument used to measure dimensions with high accuracy.
Measures small lengths or diameters with high precision.
Measures time intervals between two events with precision.