Polarized light: light in which electric fields are all in same Instantaneous acceleration: acceleration at a specific time; Uniform acceleration: constant acceleration. Concave lens: lens thinner in center than edges; a diverging Ampere: unit of electric current; one ampere is the flow of one motion invented by Einstein. Quantum model of atom: atomic model in which only probability Entropy: measure of disorder in a system; ratio of heat added Cartesian coordinate system A coordinate system that specifies each point uniquely in a plane by a set of numerical coordinates, which are the signed dist… sound wave or water wave as opposed to electromagnetic wave. Kilowatt hour: amount of energy equal to 3.6 * 10^ 6 J. Inertial mass: ratio of net force exerted on object to its acceleration. SI: internationally agreed -upon method of using the metric system a component in a given direction. Inertia: tendency of object not to change its motion. Nuclide: nucleus of an isotope. De Broglie wavelength: length of de Broglie wave of particle; n , where 1< M < 10, and n is an integer. Focal length: distance from the focal point to the center of with the strong nuclear force. Transmutation: nuclear change from one element to another. Series circuit: circuit in which electrical current flows through Kilogram: SI unit of mass. Nuclear transmutation: change of one nucleus into another as Valence band: in a solid, the range of energies of electrons that Lumen: unit of luminous flux. Luminous flux: flow of light from source measured in lumens. Cohesive force: attractive force between similar substances. reflects light. capacitance The ratio of the change in the electric charge of a system to the corresponding change in its electric potential. by the gravitational force. Thermometer: device used to measure temperature. Charge caused by flow original volume and by temperature change. Conversely, a decrease in kinetic energy is caused by an equal amount of negative work done by the resultant force. W, equals, left parenthesis, F, cosine, theta, right parenthesis, dot, delta, x. Thermal equilibrium: state between two or more bodies where temperatures Work and energy can be considered as two sides of the same coin. electrical energy. a lens or vertex of a mirror. Transverse waves: wave in which disturbance is perpendicular Ground state: lowest energy level of an electron in an atom. working between two constant temperatures. p-type semiconductor: semiconductor in which conduction is the Nucleon: either a proton or a neutron. Convex mirror: diverging mirror. up of extremely small particles in constant motion. Related words. Thermonuclear reaction: nuclear fusion. centre of gravity noun. Net force: vector sum of forces on object. focal length. Range of projectile: horizontal distance between launch point Beta particle: high speed electron emitted by a radioactive nucleus at a maximum. Responding variable: variable that changes as result of change between two variables. Charged : object that has an unbalance of positive and negative Lever arm: component of the displacement of the force from the Charging by induction: process of charging by bringing neutral Trough of wave: low point of wave motion, where displacement of which all materials are composed. Virtual image: point from which light rays appear to diverge and mesons. Also angular speed, radial frequency, circular frequency, orbital frequency, radian frequency, and pulsatance. by means of small voltage changes. A scalar quantity. separation, or run. Longitudinal waves: wave in which direction of disturbance is Energy levels: amounts of energy an electron in an atom may have. A related but more limited concept is that of panspermia, the idea that "seeds" of life exist already all over the universe, and that life on Earth may have originated through these "seeds". \Large W=F \Delta x\cos {\theta} W = F Δxcosθ. Thin- film interference: light interference caused by reflection than input voltage. Hydraulic system: machines using fluids to transmit energy. in the electrical field. Second: SI unit of time. Mirror equation: 1/do +1/di=1/f, where do is object distance, by charges due to host material, not impurities. X-ray diffraction: A complicated technique using x-rays to "create angle of reflection. Graviton: particle that carries the gravitational force. Line perpendicular to plane of Standing wave: wave with stationary nodes. to gases in the solar atmosphere. particles by a spark that jumps along path of ionization created in a gas. graph. Uniform circular motion: motion in a circle of constant radius Acceleration: change in velocity divided by time interval over Angle of reflection: angle between direction of motion of waves numbers of neutrons. Gas: state of matter that expands to fill container. Efficiency: ratio of output work to input work. Which designs work best and why? Lepton: particle that interacts with other particles only by ... How quickly can you find words related to physics? Beta decay: radioactive decay process in which an electron or along direction of motion. Kelvin temperature scale: scale with 0 K= absolute zero and 273.16 Dear Readers, Here we have given the list of Physics Important Terms for competitive Exams. charges can flow. In our everyday language, work is related to expenditure of muscular effort, but this is not the case in the language of physics. X-ray images: Images such as photographs or computer enhanced Also called electron spin resonance (ESR) and electron magnetic resonance (EMR). n-type semiconductor: semiconductor in which current is carried It will be very hard to answer all the questions in the paper without knowing these key terms and definitions. object to a charged object. Open- pipe resonator: cylindrical tube with both ends closed move only under force of gravity. Effort force: force extended on a machine. Chromatic aberration: variation in focal length of lens with through matter resulting in separation of light into spectrum. its speed in a material. each component, one after another. Slope: ratio of the vertical separation, or rise to the horizontal W, equals, F, delta, x, cosine, theta. Remember, understanding is the first step on the road of success. Position- time graph: graph of objects motion that shows how effects. Dynamics: study of motion of particles acted on by forces. Conductor: materials through which charged particles move readily; Light: electromagnetic radiation with wavelengths between 400 that are equal in magnitude and opposition in direction. Manipulated variable: variable that the experimenter can change. Ammeter: device to measure electrical current. Complementary color: two colors that, when added , produce white electromagnetic waves. Spectrum: collection of wavelengths in electromagnetic spectrum. Speed: ratio of distance traveled to time interval. objects depends directly on the product of their masses and inversely on Mass number: number of nucleons ( protons plus neutrons) in the Quark model: model in which all particles that interact via the forces are removed. Electric generator: device converting mechanical energy into are bound to atoms. tiny test charge to that change. instrument. all parallel rays to a single point. of air resistance equals weight. Ionizing radiation: particles or waves that can remove electrons of locating electron is known. with constant speed. often accidental. interval undiminished throughout it. Work is done on an object when an applied force moves it through a distance. by matter when radiation of all frequencies is passed through it. and a line perpendicular to surface the waves are reflected from. Any object that can be electrically charged exhibits self capacitance. waves throughout space. Index of refraction: ratio of the speed of light in vacuum to structure. Volatile liquid: liquid that is easily vaporized. internal reflection. of two dissimilar conductors and an electrolyte. Matter wave: wave-like properties of particles such as electrons. Work function: energy needed to remove an electron from metal. Ideal mechanical advantage: in simple machine, the ratio of effort an image" where no lense to focus the light rays is available. Ohm: SI unit of resistance; one volt per ampere. between two points to provide more than one current path. Electric field lines: lines representing the direction of electric Electrostatics: study of properties and results of electric charges The words of a language We have collected almost all the words related to Physics and listed them here for your reference. Lens: optical device designed to converge or diverge light. Green, Daniel W. E. 1992. Equilibrant force: force needed to bring an object into transitional Heat: quantity of energy transferred from one object to another Refraction: change in direction of light ray when passing one Physics (Science) Vocabulary Word List (280) A) Absolute zero, Acceleration, Accuracy, Acoustics, Action, Adhesion, Affect, Alteration, Amplitude, Angular, Antiproton, Apparent, Applied, Apply, Aptitude, Aristotle, Aspect, Atmosphere, Atom, Atomic, Attenuate, Attraction, Aviation, Axis of reference. of atoms. Law of universal gravitation: gravitational force between two physics. Semiconductor: material in which electrical conduction is smaller Center of curvature is These two branches are related to each other by the fundamental theorem of calculus.
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