Physics Dictionary

This dictionary is a comprehensive reference for all level of students.This dictionary consists of a collection of more than 3000 words in physics which are helpful for all level of physicists. Collection constitutes terms from Classical Mechanics, Electromagnetism, Electrostatics, Magnetics, Thermodynamics, Solid State physics, Nuclear Physics.

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A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

A   

Absolute pressure  Absolute Zero Acceleration Activator Absorbed dose of radiation Acceleration due to gravity (g) Accelerator Adhesion Ampere Amplitude Angular acceleration Anti-node Angular momentum Anelasticity Active devices Activity Archimedes principle Atmospheric pressure Atom Acoustics

Alpha particle Adiabatic process Angle of minimum Deviation Astronomy Amplitude Atomic number Allotropy Annealing Avogadros principle Abberation of star light Absorbing power Angular displacement Anomalous dielectric dispersion Albedo Axis of Precession Alpha particle spectrum Aufbaus principle Anomalous Zeeman Effect Antistokeslines

B

Barns Boyles law Buoyancy Black body Bernoullis principle Brownian motion Bose Einstein Condensation Bulk Stress Balmer series Binding energy Brackett series Boiling point Brazing Bonding energy

Body centered cubic Burgers vector Barometer Beats  Bremstrahlung Beta particle Black body Bolometer Brewster’s angle of incidence Brewster’s law Binding energy Bel Boron-10 Baking

C

Centripetal force Centrifugal force Critical mass Centre of gravity Cohesion Charles law Critical temperature Critical pressure Critical volume Compton Effect Collision Conical pendulum Coefficient of Linear expansion Coefficient of areal expansion Coefficient of volume expansion Canonical Ensemble Configuration space Causality Law Critical magnetic field Coherence length Centripetal acceleration Crystal Celsius

Crossection Closed system Conservative forces Conservation of momentum Conduction Convection Covalent bond Curie Choke coil Center of mass Conservation of angular momentum Critical angle Canonical ensemble Constancy of speed of light Coulombs law Capacitance Cohesion Cobalt-60 Cold welding Crystalline defect Ceramic Cermet Curie temperature Clausius Theorem

D

Dielectric Constant Displacement Dielectric strength Debroglies Hypothesis Debroglie wavelength Drift velocity Dulong & Petit’s law Dispersion of light Dispersive power Direct band gap semiconductor Davisson – Germer experiment Debye Degrees of freedom

Distance Dilute Magnetic Semiconductor Dispersive power of grating Derived Air Concentration Dose equivalent  Dew point Damped vibration Deewar flask Displacement current Displacement Dulong & Petit’s law Ductility Devitrification

E

Effective mass of electron Electron Volt Elastic collision Electric current Electromotive force Entropy Eddy current Equilibrium of a rigid body Elasticity Efficiency of engine Emissivity Escape velocity

Elastic fatigue Equation of continuity Ensemble Electron gun Equal Apriori probability Ergodic hypothesis Electromagnetic interactions Elastic Deformation Equation of motion of rigid body Exposure Elastic deformation External work

F

Friction Forced vibration Fictious force (Pseudo force) Focaults Pendulum Fermions Fermi Level Forward biased diode

Feedback Franck & Hertz experiment Fraunhofer lines Fluid Face centered cubic crystal structure Fluidpressure Franck-Condon principle

G Gravitational potential Geo-stationary satellite Grand Canonical Ensemble Gauss’s theorem of magnetism Gauss’s theorem of electrostatics Gauge pressure Gamma rays Gravitational force Gravitational Intensity Gray Grain boundary

Gas Gravitational force Geocentric theory Gravitational potential Geo-stationary satellite Gravitational mass Grand canonical ensemble Gyroscope Gyration Gauge pressure Geiger-Nuttal law

H

Hall Effect Hologram Heat Heat engine Heliocentric theory Hamilton’s principle Humphrey series Hologram

Heat capacity Hoppers Hydrogen bond Hexagonal closely packed crystal structure Hooke’s law Hardness Hole

I

Identical particles Ionizing Radiation Indirectband semiconductor Isobars Isotope Isotones Isomers Interference of light Irreversible change Intensity of radiation

Impulse Inelastic collision Inertial frame Inertial mass Ideal fluid Invariant tensor Ionic bonding Interfacial defect Impurity diffusion

J

Joules Expansion
Joules Law

K

Kilogram Kirchhoff’s first Law Kirchhoff’s second Law Kelvin’s Thermodynamic Scale Kirchoff’s law (Thermal Radiation) Kilowatt hour (KWH)

Kepler’s first law Kepler’s second law Kepler’s third law Kelvin’s statement of second law of Thermodynamics Kilo Calorie

L

Luminescence Longitudinal wave motion LINEAC(Linear Accelerator) Latent heat (Heat of transformation) Lienard Wiechart Potential Lorentz-Fitzerald contraction Larmor’s precession Laws of refraction Lissajous figures Lattice parameters LASER

Law of Conservation of energy Law of static friction Law of kinetic friction Law of Conservation of angular momentum Longitudinal Stress Longitudinal strain London penetration depth Lyman series Long range alpha particles Latent heat

M

Mean free path Moderation Miller Indices Magnetic susceptibility Mechanical Equilibrium Mechanical Equivalent of heat Microscope Moment of Inertia Micro canonical ensemble Mutual Induction Milliman’s Theorem Mass defect Molecular spectrum Mirror Nuclei

Meissner effect Mass number Molecular range Mobility Molar specific heat Moseley’s Law for X-rays Manometer Mean free path Modulus of resilience Molecular weight Magnetization Martensite Mole

N Newton’s first law Newton’s second law Newton’s third law Non-conservative force Non-polar dielecric Newton’s universal law of gravitation Nano materials Normal force Nucleon Neutrino

Node N-type semiconductor Newton’s law of cooling Non-Inertial frames of reference Norton’s theorem Negative feedback Non-ferrous alloy Norton’s theorem Nutation

O

Oscillation Ohmic conductor Orbital velocity Outgassing Outgassing constant

Oxidation Oscillator (electric) Ohm Open system Optics

P

Pyrometer Proton Positron Principle of Calorimetry Photo conductor Poynting’s theorem Poynting vector Polarization (EM wave) Polarisation Parking orbit Principle of equivalence Prism Photo detector Penetration depth Polymorphism Phase (SHM) Plastic deformation Pickling Progressive wave motion Pair production Para-magnetism Pascal’s principle Principle of Calorimeter Photon Photo Conductor Polarization

Poynting’s Theorem Poynting’s Vector Pyrometer Periodic table Poly-crystal Phase Polarization (ionic) Powder metallurgy Precipitation hardening P- type semiconductor Polar molecule Pressure law Prevost’s theory of heat exchange Principle of equal aprioriprobabiltiy Perpendicular Axes Theorem Parallel Axes Theorem Parking orbit Periodic motion Phase constant Plasticity Principle of invariance of charge Photoelectric effect Pair production Phase point Phase space Pseudo Vector

Q



R

Refrigerant Reversible cell Radiant Energy Radiation Exposure Radiation Absorbed Dose Refrigerant Reversible cell Relative Humidity Roentgen Equivalent Man (REM) Roentgen RAD (Radiation Absorbed Dose) Real Image Rainbow Rest mass Rayleigh scattering Rutherford Resonant frequency (electricity) Rigid body Roughing Pump Resilience

Reduction Residual stress Refrigerator Reversible change Radiant energy (heat) Radiator (thermal) Relative emittance Reflecting power Rolling friction Rotatory motion Radius vector Restoring force Resonance absorption (Dielectric) Reduction Reverberation Reciprocity theorem Rigid body Radius of gyration Reactive sputtering

S

Saturation vapor pressure Sievert Seebeck effect Specific gravity of fluid Skin effect Snell’s law Spectrum Sputtering Straggling Superconductor Specific heat Specific heat at constant volume Specific heat at constant pressure Stefan’s Boltzmann law Saturation vapor pressure Sievert Schottky defect Skin depth Skin effect Sputtering Simple Harmonic Motion Specific Heat Stefan’s-Boltzmann law Sphere of influence  Surface energy Simple pendulum

Soldering Single Crystal Secondary bonds Self diffusion Shear Softening point (glass) Soft magnetic material Solubility limit Specific strength Steady state diffusion Strain (engineering) Structure Super cooling Super heating Spectral emissive power Spectral energy density Stefan’s law Stefan– Boltzmann’s law Solar constant Satellite Shearing strain Strain energy Statistical Mechanics Self induction Strange particles Silsbee effect

T

Temperature Tephigram Thermodynamics Thermodynamics Ist law Thermodynamics IInd Law Thermodynamics IIIrd law Thermal Neutron Thermometer Thermal equilibrium Thermalization of Neutrons Thermionic Emission Transformer

Total internal reflection Thin film Type-I superconductor Type-II superconductor Transverse wave motion Twin boundaries Toughness Thermoplastic Translatory motion Tensor analysis Translational motion Thermal Radiation (Thermodynamics)

U         

Universal gravitational constant Ultra thin films Unit cell

V

Vacuum VVER Vapour degreasing Vacuum pressure Vitrification Vapor

Vector Volume strain Viscosity Vacuum pressure Vibrational-rotational spectrum Visible spectrum

W

Work Work-energy theorem Weidmann-Franz law Welding

Wien’s Displacement law Wave Wave length

X

X-Ray

Y

Yielding
Yield Point

Z

Zone plate
Zeroeth Law of Thermodynamics