Essay On Einstein Photoelectric Effect
Say there is a watch sitting still, unmoving. Then say you have a second watch, identical to the previous, racing through the universe close to the speed of light. If you looked at the watch moving near the speed of light you would notice something odd. The watch, though you know it should look identical to the other, looks warped or shrunk in the direction of motion; and the hands are ticking at a slower rate than the other. Perplexing? Even though we humans can't achieve the speed of light or even approach it, Einstein was still able to identify this phenomena along with others, in his theory of relativity. To understand who this brilliant man was letś first take a look at his life and education.
Born on the 14th of March 1897 in Ulm, in
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There are four of these papers, the first deals with the Photoelectric Effect. You have an electron on a sheet of metal and then a beam of photons hits that metal and the electron is gone. So that means that the photons that hit the sheet of metal caused the electron to be emitted. That is the photoelectric effect. The Photoelectric Effect resolved an unsolved question by suggesting that energy can be exchanged in very miniscule amounts. The next is Brownian Motion which explained empirical evidence for the atomic theory by supporting the application of statistical physics. Brownian Motion explains the random motion of particles in fluid by stating that they are colliding and bouncing off of the fast moving molecules in that fluid. Special Relativity discredited the concept of luminiferous ether, and explained the relationship between space and time. It said that the laws of physics are invariant in all inertial systems; and that the speed of light in a vacuum is the same for all observers regardless of the light sources movement. The famous equation, E=mc2 comes from Equivalence of Matter and Energy, the next and final component of the Annus Mirabilis papers. Matter-energy Equivalence states that mass is concentrated energy, implies that gravity can bend light, and talks about the existence of, ¨rest energy.¨ All of these papers were groundbreaking for the scientific world at the time, they helped debunk
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