Sunday

April 20, 2014

April 20, 2014

Number of results: 2,634

**Quantum mechanics, eigenvalues, eigenfunctions**

I'll also like to thank Dr. Physics for helping me last time :)
*Thursday, October 22, 2009 at 7:45pm by Steven*

**Quantum mechanics, eigenfunctions!**

Thank you! I thought I was going crazy because I wasn't able to an eigenfunction since 1st deriv. would be = cos(x)*e^(ax) + a*sin(x)*e^(ax) which is definitely not an eigenfunction of the operator.
*Thursday, October 8, 2009 at 9:30pm by Steven*

**Quantum mechanics, eigenfunctions!**

You are absolutely right. To be an eigenfunction, the operator has to reproduce the function with some multiplicative constant. Even without doing a lot of work, you can see for the special case of a=0 it doesn't work because you need to take four derivatives of sine to get ...
*Thursday, October 8, 2009 at 9:30pm by DrPhysics*

**Quantum mechanics, eigenvalues, eigenfunctions**

What exactly is an eigenvalue? "To be an eigenfunction, the operator has to reproduce the function with some multiplicative constant." Is the eigenvalue the multiplicative constant -or- is it the m constant and the function? Many thanks.
*Thursday, October 22, 2009 at 7:45pm by Steven*

**Quantum mechanics, eigenvalues, eigenfunctions**

The eigenvalue is the scalar multiplying value. Yes, DrPhysics is a very well known person in the field of physics, and it is a pleasure to have known him, and worked with him, for the past sixteen years. I will relay your thanks. http://www.drphysics.com/
*Thursday, October 22, 2009 at 7:45pm by bobpursley*

**English**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*Thursday, May 7, 2009 at 1:00pm by john browm*

**critical thinking**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*Friday, January 16, 2009 at 11:01am by Anonymous*

**CRT205 Quiz**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*Friday, February 27, 2009 at 1:45pm by randy*

**Critical Thinking**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*Saturday, June 6, 2009 at 12:15pm by mary*

**Critical Thinking**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*Friday, July 31, 2009 at 2:20am by bere*

**Physics**

Did Einstein support quantum mechanics as being fundamental physics, or did he think quantum mechanics was inconclusive?
*Thursday, April 10, 2008 at 11:58pm by Tammy*

**english: crit. thinking**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*Wednesday, March 19, 2008 at 10:37pm by rose*

**Quantum mechanics, eigenfunctions!**

Determine if the function sin(x)*e^(ax) where a=constant is an eigenfunction of the operators d/dx and d^2/(dx)^2 Okay. My understanding is that you use the operator and perform its "thing" on the function. In this case, you will have to find the 1st derivative of sin(x)*e^(ax...
*Thursday, October 8, 2009 at 9:30pm by Steven*

**ENGLISH**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*Thursday, May 7, 2009 at 4:37pm by john doe*

**science**

Classical mechanics Relativity Thermodynamics Electromagnetism/Optics Quantum mechanics
*Wednesday, August 29, 2007 at 8:17pm by ~christina~*

**Quick Question**

What is Quantum Physics and Quantum Mechanics? Is there even a difference between them? thank you very much.
*Monday, May 11, 2009 at 6:32pm by James*

**chemistry**

which quantum number, or quantum numbers, can be connected with the direction a particular orbital position points in space, regarding wave mechanics?
*Monday, May 26, 2008 at 12:11am by Shivani*

**Quantum Physics**

BTW, it is meaningless to talk about cheating in this course. The problems are not authentic. They are taken from a set of quantum mechanics/ quantum computing problems that is moving from a course to a course. Some "non-cheaters" had no quarrel with the course because they ...
*Saturday, October 12, 2013 at 10:36pm by MMM*

**Physics**

If the electron in a hydrogen atom obeyed classical mechanics instead of quantum mechanics, would it emit a continuous spectrum or a line spectrum?
*Thursday, April 10, 2008 at 8:59pm by Kara*

**Physic please check**

Both answers are correct. In quantum mechanics, each N value can have L values up to N-1. Hence N=1 can have only L = 0, but N=2 can have L=0 or n=1, etc. (There is no N=0). All principal quantum numers allow an L=0 suborbital (angular momentum) state.
*Friday, December 14, 2007 at 1:09am by drwls*

**Quick Question**

You might visit some sites on the following GOOGLE Search: http://www.google.com/search?q=Quantum+Physics+%26+Quantum+Mechanics&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a Sra
*Monday, May 11, 2009 at 6:32pm by SraJMcGin*

**chemistry**

Which of the following quantum numbers describes the shape of an orbital? A) principle quantum number (n) B) magnetic quantum number (ml) C) spin quantum number (ms) D) Schrodinger quantum number (S) E) (azithmal) angular momentum quantum number (l)
*Monday, November 14, 2011 at 5:49pm by Teresa*

**quantum mechanics**

0.5
*Friday, February 15, 2013 at 3:05am by murat hazer*

**Physics**

When do we have to give up on an old theory and try to come up with a new theory? Would it be when the old theory under goes changes? Also, how would I compose my answer to this question into a paragraph? This happens when we suspect that the theory is not perfect. E.g., the ...
*Tuesday, August 7, 2007 at 9:54pm by Soly*

**Physical Science**

Bohr's model consisted of circular orbits around the nucleus. That was modified by Sommerfeld from circular to elliptical orbits depending upon serveral factors, and that was modified to sub-orbits (orbitals). The modern theory is one of mathematical treatment based on quantum...
*Saturday, November 29, 2008 at 3:47pm by DrBob222*

**Quantum Mechanics**

Typo: Then the integral is 4/3 pi R^3 |psi(0)|^2 = 4/3 (R/a0)^3
*Tuesday, April 28, 2009 at 9:00pm by Count Iblis*

**School**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*Friday, May 15, 2009 at 8:23pm by John*

**crt**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*Friday, October 2, 2009 at 12:35pm by jag*

**crt**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*Saturday, June 6, 2009 at 11:44am by Anonymous*

**crt 205**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*Friday, January 9, 2009 at 4:17pm by Jacob*

**Critical Thinking**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*Monday, August 10, 2009 at 12:33am by Sablan*

**crt thinking**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*Saturday, November 14, 2009 at 12:17am by Anonymous*

**English**

C) Quantum mechanics is more important to the history of science than previous scientific theories.
*Thursday, May 7, 2009 at 1:00pm by valeria*

**Newtonian physics**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*Wednesday, November 12, 2008 at 12:05am by Anonymous*

**critical thinking**

A) Quantum mechanics is not inherently more difficult for the non-specialist than previous scientific theories.
*Friday, January 16, 2009 at 11:01am by randy*

**Quick Question**

Quantm physics treats matter as probabilty wave. Quantum mechanics is the same thing.
*Monday, May 11, 2009 at 6:32pm by drwls*

**Physics**

This is related to the classic thought experiment "Schroedinger's cat". Your answer seems intuitively correct, but in quantum mechanics, until a decay measurement is actually made, the radioactive source exists in a mixed quantum state, with nonzero probability that each ...
*Monday, March 31, 2008 at 4:04am by drwls*

**physics**

Many laws of physics turn out to be not quite right, r perfectly accurate, when experiments of higher accuracy are performed. Newton's "Laws" of gravity and mechanics turned out to be not quite right when Einstein discovered relativity. The conservation of energy "law" can be ...
*Sunday, October 2, 2011 at 10:35pm by drwls*

**quatum mechanics**

In the double-slit experiment, consider the point at the middle of the final (detector) screen which is equidistant from the two slits. Suppose the intensity at that point is when either slit is open. Now for each of the three cases (a) bullet (b) wave (c) quantum mechanics (...
*Saturday, February 16, 2013 at 3:15am by preshy*

**Science**

Astrophysics Quantum mechanics Information management systems Google: The SETI institute, look at their members degrees.
*Thursday, February 7, 2013 at 5:52pm by Ken*

**Quantum Mechanics**

Calculate the probability of finding an electron in a 1s H-atom orbital inside the nucleus. Show your work and state your assumptions.
*Tuesday, April 28, 2009 at 9:00pm by Jill*

**Physics**

Quantum mechanics, which is necessary eo explain why only certain electron energy levels are poossible, requires a wave treatment of the electrons
*Monday, April 14, 2008 at 10:21pm by drwls*

**Newtonian physics**

This is not a question; it seems to be your opinion. I disagree with the last sentence. Comprehension and a working knowledge of quantum mechanics remains difficult, even to most specialists.
*Wednesday, November 12, 2008 at 12:05am by drwls*

**college chemistry**

The greatest significant of nuclear decay is that it proves quantum mechanics, specifically the idea of quantum tunneling. The energy barriers that keep an atomic nucleus together are very high. Ordinarily, it would be essentially impossible for a charged particle in the ...
*Wednesday, December 8, 2010 at 8:48am by Anonymous*

**Critical Thinking**

The author seems to imply (A), but I do not agree with his statement. Quantum mechanics is much more difficult to learn and apply than Newtonian physics, because of the mathematics required.
*Friday, July 31, 2009 at 2:20am by drwls*

**Chemistry**

Is it going to be n= 4 right ? Because 1s 2s 2p 3s 3p 4s 3d 4p 5s 4d 5p 6s 4f <- s this the quantum mechanics?
*Friday, December 7, 2012 at 6:51pm by Anonymous*

**Chemistry**

The principal quantum number, n, describes the energy level of a particular orbital as a function of the distance from the center of the nucleus. Additional quantum numbers exist to quantify the other characteristics of the electron. The angular momentum quantum number (งค), ...
*Monday, October 29, 2012 at 1:06am by Anonymous*

**Chemistry**

The principal quantum number, n, describes the energy level of a particular orbital as a function of the distance from the center of the nucleus. Additional quantum numbers exist to quantify the other characteristics of the electron. The angular momentum quantum number (ℓ...
*Wednesday, March 26, 2014 at 6:35pm by Annabelle*

**science**

In the modern model (quantum mechanics), the electron does not follow a path. It exists within a "probability cloud", the shape of which depends upon the energy and angular momentumn of the electron. It is impossible to tell where it is at a particular time.
*Friday, December 18, 2009 at 9:59am by drwls*

**Physic please check**

Consider two different hydrogen atoms. The electron in each atom is in an excited state. (a) Is it possible for the electrons to have different energies but the same orbital angular momentum L, according to the Bohr model? Justify. No.Electrons within the same obital angular ...
*Friday, December 14, 2007 at 1:09am by Mary*

**CHEM**

The only thing I can tell you, without quantum mechanics and all the higher math that entails (which I can't do anyway), is that the 4s level is lower than the 3d when that electron goes into the 4s instead of the 3d.
*Wednesday, December 10, 2008 at 4:51pm by DrBob222*

**physics**

It is known that the possible values for the magnetic quantum number m range between -9 and +9. Determine the orbital quantum number and the smallest possible value of the principle quantum number. l = n =
*Friday, December 1, 2006 at 6:16pm by MIke*

**Quantum Mechanics**

Suppose we have a quantum circuit that takes the input |0⟩ and outputs |+⟩, and also takes the input |1⟩ and outputs −|−⟩. If we input √2*i/√3|+⟩ + 1/√3|−⟩, what does the circuit output?
*Thursday, September 12, 2013 at 11:17am by Anonymous*

**Chemistry**

Remember the azimuthal quantum number? s electrons have an azimuthal quantum number of 0, p electrons = 1, d electrons = 2 and f electrons = 3. The azimuthal quantum number can run from 0 to N-1; therefore, for an f electron (azimuthal quantum number 3), N must be at least 4. ...
*Tuesday, March 9, 2010 at 9:48am by DrBob222*

**PHYSICS**

All masses have the properties of both waves and particles. The more massive the particle is, the harder it is to observe the wavelike properties. The theory that explains this behavior is called quantum mechanics. The mathematics is very hard to understand, but the theory is ...
*Sunday, March 7, 2010 at 3:14pm by drwls*

**quantum mechanics**

a) A vertically polarized photon goes through two polarizing filters, the first of which is vertically aligned and the second at 45 degrees. What is the probability that the photon is transmitted through both filters?
*Friday, February 15, 2013 at 3:05am by tribhu*

**general science**

Six orbits, but they aren't really moving in "rings". There are two "principal quantum numbers": two with quantum number 1 and four with quantum number 2. The Bohr-atom concept of electron "rings" or "shells" is still used in high school chem to explain the periodic table, but...
*Thursday, January 29, 2009 at 4:36pm by drwls*

**Quantum Physics**

so you admit you put the wrong answer on purpose!!! don't you feel guilty quantum?
*Saturday, October 12, 2013 at 10:36pm by Anonymous*

**Quantum Physics**

@quantum...I have checked and it was wrong...you stop fooling around mate!!!thanks for yr sharing anyway!
*Saturday, October 12, 2013 at 10:36pm by Anonymous*

**particle in a box**

The example deals with two wave functions for one particle, if I understand it correctly. One is symmetric and the other antisymmetric. If the partcle starts in one well it leaks through to the other well. My quantum mechanics is very rusty so I'm afraid that is all the help i...
*Sunday, April 19, 2009 at 1:01am by drwls*

**mechanics/motion**

Can someone help me with mechanics. I need to check my answers
*Friday, January 31, 2014 at 12:20pm by Anonymous*

**physical chemistry**

There is no approximate method to solve that equation. You have to solve for the eigenfunctions of the Schroedinger differential equation. This is done in many textbooks, and probably many places online.
*Saturday, June 4, 2011 at 6:49pm by drwls*

**Chemistry**

Please help in any way that you can. Very small spherical crystals called quantum dots are being investigated for use in electronic devices. a. Calculate the mass of a quantum dot of pure silicon that has a diameter of 4nm. b. If you made a 3.5nm diameter quantum dot of pure ...
*Saturday, June 29, 2013 at 2:24pm by Ashley*

**chemistry**

Find the quantum value of a 5py orbital. I know the quantum numbers (n,l,m,s) and all that, but I'm not sure where to begin or go after that. Answered below.
*Sunday, November 26, 2006 at 6:12pm by John*

**Quantum Physics**

Consider the following quantum circuit: bit.ly/Zlrijv (a) What quantum state do you have to input in order to get output |00>? (b) What quantum state do you have to input in order to get output |11>? (c) What quantum state do you have to input in order to get output 1/&#...
*Monday, March 18, 2013 at 3:17am by helpful*

**physics**

The quantum state is fixed when specifying n, l, ml and ms. Therefore, by the Pauli exclusion principle, there can be only one electron with these quantum nembers.
*Saturday, August 15, 2009 at 3:29pm by Count Iblis*

**physics**

You will have to type your question, if cutting and pasting does not work. If they want you to calculate the "velocity" of the electron, set m V^2/R = k e^2, and solve for V. But be warned that electrons do not really travel in circular orbits around nuclei. Quantum mechanics ...
*Friday, May 22, 2009 at 11:14pm by drwls*

**physics**

A hydrogen atom is in its n = 6 excited state. Determine, according to quantum mechanics, each of the following: (a) The total energy =eV (b) The magnitude of the maximum angular momentum the electron can have in this state =J s (c) The maximum value that the z component of ...
*Friday, December 1, 2006 at 6:15pm by MIke*

**physics**

A hydrogen atom is in its n = 6 excited state. Determine, according to quantum mechanics, each of the following: (a) The total energy =eV (b) The magnitude of the maximum angular momentum the electron can have in this state =J s (c) The maximum value that the z component of ...
*Saturday, December 2, 2006 at 1:54pm by MIke*

**Chemistry**

Consider an atom of Xenon. How many electrons in this atom... a) have the quantum number of l=2 b) have the quantum number of ml=0 c)have the quantum numbers n=5,ml=2 (at the same time) I think I know the answers. a) 10 b)2 c)2 But I am unsure and would like some input on if ...
*Wednesday, January 25, 2012 at 2:14pm by Lindsey*

**CHEM**

You are talking about the DeBroglie wavelength, a concept from quantum mechanics. It is equal to Planck's constant, h = 6.62*10^-34 J, divided by the momentum M v of the golf ball. You will find it to be very short compared to the size of the golf ball. You have the right ...
*Monday, November 5, 2007 at 12:48am by drwls*

**Quantum Physics**

Hi PhysTech, I am reading an article from twistedoakstudios(at)com in /blog/Post2644_grovers-quantum-search-algorithm and doing some calculations... Seems cyclic, in a geometric view.
*Tuesday, April 16, 2013 at 12:32am by J*

**quantum physics**

the quantum factor algorithm for N=91 is carried out. What is the period k of the periodic superposition set up if it chooses x=8? Guys please help...its very urgent!!
*Friday, October 18, 2013 at 4:19pm by Hannah*

**chemistry**

This is avery good question! This leads us directly into quantum mechanics, a branch of modern physics. It has been proven mathematically (very complex, so I will not bother you with the details!) that electrons can and must be assigned a number, either +1 or -1 denoting the ...
*Wednesday, February 10, 2010 at 5:20am by dongo*

**chemistry**

"p" is an orbital angular momentum quantum number designation. It has a magnetic dipole moment associated with it. Its value is 1 for all p orbitals. Its component along any axis can be +1, 0 or -1. Magnetic spin is a separate quantum number, and its value is 1/2 for all ...
*Sunday, September 21, 2008 at 11:14pm by drwls*

**quantum mechanics**

Write the Hamiltonian operator for 2 electrons in a 1D box of length a. I know that the Hamitonian is a sum of the kinetic and potential energies. I was thinking that for 2 electrons in a 1D box it would be: -2((hbar^2)/2m_e)(d^2/dx^2)) + Coulomb interaction for 2 electrons I ...
*Monday, April 5, 2010 at 5:52am by Alice*

**Quantum Physics**

(c) What quantum state do you have to input in order to get output 1/2sqrt(|00⟩+|11⟩)?
*Monday, March 11, 2013 at 10:48pm by Arl*

**Quantum Physics**

@ quantum.. actually I passed ... even if you have 100% does it matter! have some self pride mate!!
*Saturday, October 12, 2013 at 10:36pm by Anonymous*

**Quantum Physics**

(c) What quantum state do you have to input in order to get output 1/2ใ(|00⟩+|11⟩)?
*Monday, March 11, 2013 at 11:15pm by Tuma*

**Quantum Physics**

What quantum state do you have to input in order to get output 1/sqrt2(|0>+ |11>)?
*Monday, March 11, 2013 at 11:06pm by Gyano*

**Quantum Physics**

@quantum I am pretty sure you must have used one of our answers at some point in this course!! you know what... no one is perfect!!
*Saturday, October 12, 2013 at 10:36pm by Anonymous*

**quantum physics**

@anonymous,@stuart @fred,,q3 a of quantum physics of edx,help please
*Friday, October 18, 2013 at 5:57am by alex*

**physics**

In the double-slit experiment, consider the point at the middle of the final (detector) screen which is equidistant from the two slits. Suppose the intensity at that point is when either slit is open. Now for each of the three cases (a) bullet (b) wave (c) quantum mechanics (...
*Tuesday, February 12, 2013 at 1:44pm by unknown*

**mechanics**

I disagree that it has anything to do with mechanics.
*Monday, December 9, 2013 at 4:26am by Steve*

**chemistry**

The strong nuclear force holds the nucleus together. Neutrons increase the effectiveness of the strong nuclear force in winning over the tendency of the electromagnetic repulsions of blowing the nucleus apart. A more detailed explanation would include quarks, neutrinos, the ...
*Tuesday, November 4, 2008 at 6:26pm by GK*

**chemistry**

Suppose you take a trip to a distant universe and find that the periodic table there is derived from an arrangement of quantum numbers different from the one on Earth. The rules in that universe are: 1. principal quantum number n = 1, 2, . . . (as on Earth); 2. angular ...
*Tuesday, April 2, 2013 at 6:53am by Anonymous*

**math**

At the Whistlestop Cafe, 15 of the 19 patrons are mechanics. If a sample of 8 is taken, what is the probability that exactly 5 patrons are mechanics? Round your answer to 4 decimal places.
*Thursday, June 3, 2010 at 4:51pm by Anya*

**math**

At the Whistlestop Cafe, 15 of the 19 patrons are mechanics. If a sample of 8 is taken, what is the probability that exactly 5 patrons are mechanics? Round your answer to 4 decimal places.
*Thursday, June 3, 2010 at 5:45pm by Anya*

**quantum physics**

Multiply 159* 10^6 W by the number of seconds in a year. That will give you the energy produced. Divide that by c^2 for the mass loss. This is about thermodynamics and the Einstein E = m c^2 equation, not quantum physics.
*Friday, April 13, 2012 at 10:05pm by drwls*

**Quantum Physics**

@234, havn't tried, only one try left physics.stackexchange dot com/questions/81101/quantum-computation-hamiltonian maybe some hints
*Saturday, October 12, 2013 at 10:36pm by Anonymous*

**chemistry**

write all the possible set of magnetic quantum number for an electron in the n=2 shell that have an angular momentum number l=o and a spin quantum number +1/2
*Saturday, February 4, 2012 at 11:11pm by keisha*

**CHEM URGENT**

It's calculable using the Bohr atomic model or quantum mechanics, but you might as well look it up or use the fact that it is 13.6 eV per atom. Multiply that by the number of atoms in a mole (6.02*10^23) and the number of Joules in an eV (1.602*10^-19). You get 1.312*10^6 J/...
*Saturday, January 17, 2009 at 1:26am by drwls*

**Quantum Physics**

good luck, i was thinking of taking quantum physics
*Thursday, April 15, 2010 at 9:16pm by srry*

**Physics**

There are actually an infinite number of lines, even with one electron. Not all of them are in the visible spectrum. Most involve very distant orbits, where the electrons are nearly free. That's just the way the quantum mechanics works. Very large atoms do tend to have more ...
*Thursday, April 10, 2008 at 11:52pm by drwls*

**quantum mechanics**

Suppose we have a qubit in the state |ψ⟩=12|0⟩+3√2|1⟩. If we measure this qubit in |u⟩=3√2|0⟩+12|1⟩,|u⊥⟩=−12|0⟩+3√2|1⟩ basis, what is the probability that the outcome is u
*Friday, February 15, 2013 at 2:59am by tribhu*

**Physics**

The radius of a Bohr orbit increases with the square of the quantum number, n. So the principal quantum number would have to increase by a factor of sqrt2. This will not be possible since the quantum number must remain an integer. Your teacher may not be aware of this. In ...
*Sunday, April 4, 2010 at 10:46am by drwls*

**physics**

Consider this set of quantum numbers: n = 3, l = 2, ml = -1, ms = +ฝ The maximum number of electrons in an atom which can share the above set of quantum numbers is
*Saturday, August 15, 2009 at 3:29pm by jeff*

**chem**

can someone give me examples of the explanatory power of the quantum-mechanical model? Power to explain what? The nature of the chemical bond? Linus Pauling wrote a book with that title. Bascially, QM can explain everything about chemistry such as structure, polarity, ...
*Wednesday, March 7, 2007 at 3:01pm by ashley*

**Quantum Physics**

We will carry out some steps of the quantum factoring algorithm for N=91 (a) What is the period k of the periodic superposition set up by the quantum factoring algorithm if it chooses x=8? I.e. what is the period of f(j)=8j(mod91) (b) Using your answer to (a), find a ...
*Saturday, October 12, 2013 at 10:36pm by ss01*

**Chemistry**

Does anybody know the principle quantum number of an atom that has s, p, d, f orbitals? I'm pretty sure the number is inbetween 2-4, but I am unsure of how to figure out the principle quantum number just using that information. Thanks in advance!
*Tuesday, March 9, 2010 at 9:48am by Marla*

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