Physics Definition and Branches

In This Site, You Are Going To Learn about Science and its branches.
This Site Includes lots of:

  • Physics and its branches
  • Chemistry
  • Biology
  • Mathematics
  • Formulas, Theories, laws
  • Lots more

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What is Physics?

Physics is the most fundamental branch of physical science which deals with the study of matter and energy, and their relationship with each other. Simple physics definition is, Physics is basically the study of how objects behave. Physics is an important and basic part of physical science. It is an experimental science. Classical Physics and Modern Physics are two Major Types of Physics.

Types of Physics

The Main Branches of Physics are:

  • Classical Physics
  • Quantum Physics or Modern Physics

Classical Physics believes in a single nature, only the particle nature of matter. It provides the macroscopic vision of matter. It is based upon Newton’s laws of mechanics and Maxwell’s laws of electromagnetism. Quantum Physics believes in the dual nature, both particle and wave nature of matter. It provides a microscopic vision of matter. It is based upon Planck’s quantum theory of light and De Broglie’s idea of matter-wave.In the practical field, The common branches of Physics are:

If you are confused about clicking on which type of topics then visit our site map in which all topics are listed on individuals branches of physics. Besides this, you can also use a search bar to find wanted topics.

More Related  Topics in Physics:

Branches of Mechanics Electric field Speed velocity
 Acceleration formula Kinematic Equations  Types of Motion  Projectile Motion equations
Different types of Forces and their examples  Newton`s  Laws of Motion  Law of conservation of Momentum  Types of Friction
 Gravity  Kepler`s laws of planetary motion  Energy Kinetic Energy Formula
Potential Energy formula  Work-Energy Theorem  derivation  Energy Sources  Work
Solar Energy  Torque  Elastic Collision and its types  Fluid Mechanics
Equation of Continuity derivation Bernoulli Equation derivation  Pascal law and its applications Archimedes Principle definition
Pressure Atmospheric pressure Applications of Viscosity Temperature scales
Heat Convection heat transfer examples Conduction heat transfer examples Radiation heat transfer examples
Types of  Thermometers Temperature Scales Thermal Radiation Specific Heat capacity
Planck’s Quantum Theory Photoelectric Effect equation Uncertainty Principle definition  Electromagnetic induction
Time-dependent Schrodinger Wave Equations Electric potential formula Types of electric Electric Charge Electric Current formula
Potential Difference Resistance Ohm Law formula Types of Capacitors
Black body radiation  Electrical Energy examples Reflection of light Kirchoff’s law of volatge
Wheatstone Bridge Gauss’s law and its applications The doppler effect cases Inductor
Electric field lines Coulomb’s law formula Refraction  of light diffraction  of light
Types of Optical Lenses Types of Spherical mirrors Capacitance of a capacitor Interference of light with examples
 Lenz’s Law of electromagnetic induction  Faraday’s Law  of electromagnetic induction Types of waves  Carnot engine
Black body radiation Electric flux formula and examples Radioactivity definition Polarization of light types
Types of optical fiber Four fundamental forces of nature  Bohr’s model of the atom postulates The universal law of gravitation
Dual nature of matter uses of laser in daily life The second law of thermodynamics Ist Law of Thermodynamics

Famous physicists and their contributions

Name of Physicists  Inventions
Isaac Newton Law of Gravitation, Laws of Motion, Reflecting telescope
Galileo Galilei Law of Inertia
Archimedes Principle of Buoyancy, Principle of Lever
S.N.Bose Quantum Statistics
Niels Bohr Quantum model of Hydrogen atom
James Chadwick Neutron
Earnest Rutherford Nuclear model of Atom
Christian Huygens Wave theory of Light
Edvin Hubble Expanding Universe
Abdus Salam Unification of week and e/m interactions
R.A.Milikan Measurement of Electronic Charge
E.O.Lawrence Cyclotron
Wolfgong Pauli Quantum Exclusion principle
Louis de Broglie Wave nature of matter
J.J.Thomson Electron
Hideki Yukawa Theory of Nuclear Forces
James Clerk Maxwell Theory of Electromagnetism, Kinetic Theory  of Gasses
Wilhelm E Weber Developed sensitive magnetometers, worked in electrodynamics and the electrical structure of matter
Joseph Henry Performed extensive fundamental studies of electromagnetic phenomena , devised first practical electric motor
Michael Faraday Discovered Electromagnetic induction and devised first electrical transformer
Count Alessandro Volta Pioneer in study of electricity, invented Battery
Andre Marie Ampere Father of electrodynamics
Hans Christian Oersted Discovered that a current in a wire can produce magnetic effects
Georg Ohm Discovered that current flow is proportional to potential difference and inversely proportional to resistance (Ohms law)
Johan Balmer Developed empirical formula to describe hydrogen spectrum
Gustav Kirchhoff Developed three laws  of spectral analysis and three rules of electric circuit analysis, also contributed to optics
Heinrich Hertz Worked on electromagnetic phenomena; also discovered radio waves and the Photoelectric effect
Nikola Tesla Created alternating current
Lord Rayleigh Discovered argon, explained how light  scattering is responsible for the red color of sunset and blue color of the sky
Antoine Henry Becquerel Discovered natural radioactivity
Sir Joseph John Thomson Demonstrated existence of the electron
Max Planck Formulated the quantum theory, explain the wavelength distribution of blackbody radiation
Pierre Cuire Studied Radioactivity with wife, Marie Curie; discovered piezoelectricity
Wilhelm Wien Discovered laws governing the radiation of heat
Marie  Curie Discovered radioactivity of thorium; co-discovered radium and polonium
Charles Wilson Invented the cloud chamber
Albert Einstein Explained Brownian motion and photoelectric effect; theory of atomic spectra, Formulated Theories of special and general relativity
Otto Hahn Discovered the fission of heavy nuclei
Clinton Joseph Davison Co discovered electron diffraction
Niels Bohr Contributed to Quantum theory and theory of nuclear reactions and nuclear fission
Arthur Compton Discovered the increase in wavelength of x rays when scattered by an electron
Werner Heisenberg Contributed to the creation of quantum mechanics; introduced the Uncertainty  principle and concept of exchange forces
Wilhelm Rontgen Discovered and studied x rays

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