Definition of Physics and it's History

What is Physics?
Physics is a natural science supported experiments, measurements, and mathematical analysis with the aim of finding quantitative physical laws for everything from the nanoworld of the microcosmos to the planets, solar systems and galaxies that occupy the macro cosmos.

The laws of nature will be used to predict the behavior of the planet and every one variety of machinery. several of the everyday technological inventions that we tend to currently hold granted resulted from discoveries in physics. the essential laws of physics are universal, however, physics in our time is such a huge field that several subfields are nearly considered separate sciences.

The early Greeks established the primary quantitative physical laws, like Archimedes' descriptions of the principle of levers and also the buoyancy of bodies in the water. however they failed to truly conduct experiments, and physics as science stagnated for several centuries. By the seventeenth century, however, Galileo Galilei and later Issac Newton helped pioneer the employment of mathematics as a fundamental tool in physics, that led to advances in describing the motion of heavenly bodies, the laws of gravity and also the 3 laws of motion.

The laws of electricity, magnetism and electromechanical waves were developed within the 1800s by Michael Faraday and Maxwell, especially, whereas several others contributed to our understanding of optics and thermodynamics.

Modern physics will be aforementioned to own started around the flip of the twentieth century, with the invention of X-rays (Röntgen 1895), radioactivity (Becquerel 1896), the quantum hypothesis (Planck 1900), the theory of relativity (Einstein 1905) and atomic theory (Bohr 1913).

Quantum mechanics (Heisenberg and Schrödinger), starting in 1926, additionally gave scientists a much better understanding of chemistry and solid state physics, that successively has led to new materials and higher electronic and optical parts. Nuclear and subatomic particle physics became necessary fields, and particle physics is currently the premise for astrophysics and cosmology.

No comments:

Post a Comment