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INSIGHT ON
                                    INSIGHT ON



                       APPLIED PHYSICS
                       APPLIED PHYSICS






                                                               which earned him the Nobel Prize in physics in 1921.
                                                               Thus through experiments, the wave-particle duality
                                                               of light was established which led to the foundations of
                                                               Quantum Mechanics when it was experimentally proved
                                                               that electron shows the same duality as light. Another
                                                               intriguing experiment that shifted the paradigm of the
                                                               universe was the “Michelson-Morley” experiment which
                                                               contradicted the existence of “Ether” in our universe.
                                                               Looking back in time Archimedes through experiment’s
                                                               based on his profound theory of Buoyancy calculated the
                                                               mass of gold in his highnesses crown. Using electricity to
                                                               separate metals in an ionic solution is used today vastly
                                                               in electrorefining processes but its roots are based on the
                                                               works of Michael Faraday who is regarded as one of the
                                                               greatest experimental physicists. His work also includes
                                                               the experiments of electromagnetic induction i.e. inducing
                                                               electric currents using time-varying magnetic fields.
                pplied physics is the application of physics to solve
                scientific or engineering problems. It is usually    The field of the application of physics is as vast as it
        Aconsidered to be a bridge or a connection between  gets. There are millions of examples of applying physics
        physics and engineering.                               in day-to-day life. The basics of engineering are solely
                                                               based on the fundamental concepts of physics. And what
          “Applied” is distinguished from “pure” by a subtle
                                                               holds good in pen and paper always has some significance
        combination of factors, such as the motivation and attitude
                                                               in the adjoining world. The Realm of physics is huge and
        of researchers and the nature of the relationship to the
                                                               it gets bigger day by day by more exciting discoveries that
        technology or science that may be affected by the work.
                                                               reveal the secrets of our very own foundation as well as
        Applied physics is rooted in the fundamental truths and
                                                               implementing them in day-to-day life to meet our needs.
        basic concepts of the physical sciences, but is concerned
                                                               The works of Newton in the theory of gravitation has
        with the utilization of scientific principles in practical
                                                               helped us to launch satellites in earth’s orbit which is
        devices and systems, and in the application of physics in
                                                               used to forecast weather, used to transfer data from server
        other areas of science.
                                                               to client, as well as helping the military in their defence
           For example, the laws of reflection hold good in pen and  as well as the establishment of the International Space
        paper-based on the particle theory of light i.e. based on  Station. The General Theory of Relativity has helped us to
        the work of Sir Isaac Newton. But Experimental Physicist  understand the notion of space and time and their unified
        Thomas Young proved that light behaved as a wave when it  space-time coordinates through which the notion of time
        interacts with objects having dimensions nearly equal to its  dilation with change in gravity and expansion helped us to
        wavelength through his famous “Double Slit Experiment”.  estimate the age of the universe. The field of optics helped
        And the idea was again challenged by Einstein who  Galileo and Newton to design their telescopes which with
        on the works of  Heinrich Hertz and established the  the passage of time improved in quality and today with
        experiment of the photoelectric effect and its governing  the help of telescopes stargazing is possible, as well as
        equation which proved that light was made of particles,  capturing the beauty of the far reaches of the universe

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