Recent content by Quantum_man

Hi Thanks for replying FightFish, can you give me an example of a dissipative system?

Its describing energy of a particle with respect to time. Thats what it seems like.

1. Hi all, I am doing a practice exam attempt and I am stuck on this question: What is the physical interpretation of |ψ(r,t)| and |ψ(r,t)|^2? Can the wavefunction |ψ(r,t)| be measured directly? My attempt was: The Schrödinger equation describes the relationship between the energy...

Also when queried about the wording of the question, my lecturer gave the following response: "The size of the atom is the uncertainty in the position of the electron, because it could be anywhere within the atom." I find it hard to understand how the size of the atom is directly related to...

My rationale for trying to determine the mass of the atom is this: To my knowledge all the equations I'd use to find the uncertainty in the position or momentum of the electron require the knowledge of at least two variables, whether it be mass, energy, wavelength or velocity. Since I'm given...

It was on my physics test yesterday. Doesn't specify any of the things you mentioned. The exact wording of the question is what I've written. Thats all...I was a bit stumped to say the least..

The typical energy needed to ionise an atom is around 5 eV. Use the Uncertainty principle to estimate the size of an atom. Homework Equations E=mc^2 E = p^2/2m Δx.Δp ≥ h/4π The Attempt at a Solution So I got the mass rearranging E = mc^2 m = 5*1.6*10^-19 / (3*10^8)^2...

Mathematics wise you need to know your algebra really well, some of the rearrangement of the equations can become tricky so you need to be upto scratch. At the university level you need to know differential and integral calculus for physics. For quantum physics you need to start off with the...