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Quantum Mechanics

Quantum Mechanics is the branch of physics that deals with the study of the structure and behavior of atoms and molecules. It is primarily based on Max Planck's Quantum theory, which incorporates Heisenberg's uncertainly principle and the de Broglie wavelength to establish the wave-particle duality on which Schrodinger's equation is based.

916 Questions

Can you expound on quantum mechanics in less than 200 words?

Expound on quantum mechanics can be less than 200 words. You have to make sure it has all the details and information.

What Is the relationship between a Higgs boson and an atom?

The Higgs boson is analogous to other bosons (photon, muon, gluon, graviton, etc.) which couple forces.

Atoms are composed of fermions bound together by exchanging various virtual bosons (e.g. electrons are bound to the nucleus by exchanging virtual photons, the protons and neutrons in the nucleus are bound together by exchanging virtual muons, the quarks are bound inside protons and neutrons by exchanging virtual gluons), no real bosons of any type exist in an atom (although some atoms are themselves bosons even though they are entirely composed of fermions).

The concept that electrons exhibit waves properties can best be demonstrated by what?

The double slit experiment. An electron gun shoots electrons at a sheet that is perpendicular to the gun. The sheet has two slits that are close together. After a bunch of electrons go through a pattern of light and dark lines shows up. The same results occur with the double slit experiment with light. Which verifies the wave nature of the electron.

Why do certain colors of light support photosynthesis while others do not?

The pigments involved (e.g. chlorophyll in green plants, phycoerythrin in red algae) only absorb photons of certain energies and reflect others. This is due to the elements in the pigment molecule and how they are bound.

What does the alleged discovery of the higgs boson particle mean when applied to string theory?

It doesn't mean much. The Higgs Boson is only necessary for the Standard Model to be correct; the Standard Model excludes gravity, and String Theory is a theory of quantum gravity. The two are separate from one another.

Which one is the lasing material in helium neon laser?

The lasing material in a helium-neon laser is a mixture of helium and neon gases. The neon gas is responsible for emitting the red laser light when excited by the helium gas.

What is the conversion between N-m to eV and vice-versa?

A Newton*Meter (N·m) is a Joule (J) and a Joule is the derived unit of energy in SI units. N=(kg*m/s^2) so a N·m=(kg*m^2/s^2)=J.

An electron volt is also a quantity of energy equal to approximately 1.602×10−19 J.

Correspondingly, one joule equals 6.24150974×1018 eV.

By definition, it is equal to the amount of kinetic energy gained by a single unbound electron when it accelerates through an electric potential difference of one volt. Thus it is 1 volt (1 joule per coulomb) multiplied by the electron charge (1 e, or 1.60217653(14)×10−19 C).

Therefore, one electron volt is equal to 1.60217653(14)×10−19 J.

The electron volt is not an SI unit and its value is derived from knowing the charge of the electron.

To change Js to eV divide by the charge of an electron 1.602x10-19 C.

To change eVs to Js multiply by the charge of an electron 1.602x10-19 C.

What are some of the most popular theories in quantum mechanics?

The most known theory in quantum mechanics would be the Broglie-Bohm theory. Other popular theories are the string theory, quantum entanglement, and SchrÌ_dinger's cat.

What is the phenomenon of mechanics?

the third cranial nerve normally elevates the globe

Why does light show gravitational lensing if it is not a state of matter?

Gravitational lensing does not depend on a the state of matter of light, rather it is an expression of the geometric curvature of space/time due to mass.

What is the electronic configuration of Na?

Sodium is atomic number 11 so it has 11 electrons. The electronic configuration would be 1s2 2s2 2p6 3s1.

What were the clue to scientists to discover quantum number?

Discrete energy levels (eigenvalues) in atoms (noticed by experiments in spectroscopy) could not be explained by Newtonian Mechanics. Also, the wave-like nature of electrons (eg: diffraction) indicated the first signs of wave-particle duality. These were the first clues.

What happens for an atomic emission of photons to occur?

Electrons fall from higher energy state to lower energy state in atoms. This can be from outer shells to empty spaces in inner shells or from outside the atom to an empty space in a shell.

Does time exist inside solids?

Time exists in solids as it does everywhere else in the universe. However, the concept of time can be affected by factors like gravity and velocity, leading to time dilation. In solids, time passing may be perceived differently due to the interactions of particles and the constraints of the solid structure.

What effect would decreasing the temperature have on Brownian motion?

As temperature decreases, the energy of the molecules decreases. Since the energy of the molecules is stored in their translational, vibrational, and rotational motion, their overall motion will decrease and consequently the Brownian motion that results from their motion will diminish as well.

What is quantum mechanics based on?

Quantum Mechanics is a discipline of higher level mathematics and physics. The most basic description of Quantum Physics is the study of the building blocks of the universe, and the forces that govern those particles.

Can you use liquid nitrogen to freeze antimatter?

Most antimatter exists as subatomic particles produced either in radioactive decay or large particle accelerators. No significant quantities have been made and the only antimatter atoms ever produced have been antihydrogen. Any antimatter that came in contact with liquid nitrogen would annihilate both itself and part of a nitrogen atom, releasing energy that would heat the remaining liquid nitrogen.

If you could somehow produce a quantity of antimatter equal the the amount of liquid nitrogen, when they came in contact instead of cooling the antimatter there would be total annihilation of both materials resulting in an explosion on the order of teratons of TNT equivalent as the temperature of the products jumped to hundreds of millions of degrees kelvin to billions of degrees kelvin!!!!!

How do pions decay into muons?

Negatively charged pions decay into muons and muon anti-neutrinos via the weak nuclear interaction. The probability of such a decay occurring is approximately 99.98%. Muons can also decay into electrons and electron anti-neutrinos, but the probability of such a thing occurring is only about 0.012% Positively charged mouns decay into anti-muons and muon neutrinos instead. Neutral pions decay into either two photons or a photon and one electron and one positron.

One decay of a negatively charged pion produces one muon and one muon anti-neutrino.