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LOWE-Scientists 1
Scientists A-Hertz for midterm
Question | Answer |
---|---|
Described a frequency shift when there is relative motion between the source and the observer | Doppler, Christian |
Described an electron being differentiated by a crystal of Nickel | Davisson, Clinton J. |
In 1957, he was greatly involved in the microscopic theory of superconductivity. BCS theory. | Bardeen, John |
1798, Determined the value of "G" | Cavendish, Henry |
1785, determined the inverse square law for electric force | Coulomb, Charles |
Determined that all matter may have wave and particle properties, dual nature of matter. | deBroglie, Louis |
Antielectron, Positron | Anderson, Carl |
Named Physics, which is Greek for nature, motion is the basis of Physics | Aristotle |
In the late 1800's discovered radioactive Polonium and Radium | Curie, Marie and Pierre |
1500's, observed planets and stars | Brahe, Tycho |
When a photon and resting electron collide, energy and frequency of the scattered photon are decreased and wavelength is increased | Compton, Arthur |
Before Copernicus, he theorized that Earth revolved around the Sun | Aristarchus |
1981, scanning tunneling microscope | Binnig, Gerd |
1926, Finding a particle at a particular location, quantum mechanics | Born, Max |
Developed the model of the Hydrogen atom and stated that electrons are never between orbits, only on them | Bohr, Niels |
Earth and the other planets orbit the Sun in perfect circles | Copernicus, Nicolaus |
Theory of general relativity | Einsten, Albert |
1920's, developed a version of quantum mechanics but suspected a problem existed, the antielectron | Dirac, Paul Adrian Maurice |
1919, provided support for Einstein's Theory of Relativity, he offered that ligt from stars will bend near the sun | Eddington, Arthur S. |
He was involved with Bardeen in the BCS theory | Cooper, Leon |
Used first nuclear reactor in Chicago, neutrino | Fermi, Enrico |
Falling objects | Galileo |
1963, modeled hadrons being composed of 2-3 fundamental particles called quarks | Gell-Mann, Murray |
Uncertainty principle, impossible to measure simultaneously a particles position and momentum | Heisenberg, Werner |
Analyzing waves | Huygens, Christian |
3 Laws of planetary motion | Kepler, Johannes |
Generated and detected electromagnetic waves | Hertz, Heinrich |
Gave the symbol 'p' to momentum | Leibniz, Gottfried |
Contributed to the understanding of energy, heat, and electricity | Joule, James Prescott |
1678, spring force | Hooke, Robert |
Discovered that e- can be deflected by a Ni crystal | Germer, Lester |
Under Rutherford's supervision he disproved Thomson's idea that e- were embedded with p+ | Geiger, Hans |
Speed of light, time dilation | Fizeau, Armand |
Principle of electromagnetic induction | Faraday, Michael |