Recent content by Dammes

@ZapperZ No i have not heard of the conduction and valence bands of metals, semiconductors, and insulators. This is only a thought and was asking if my way of thinking is completely wrong and if I should neglect this thought. So I'll ask this again. should I neglect this thought or is there...

Im wondering if all matter have discrete energy levels because electron and nuclei have discrete energy level. my thought is that as mass increases the separation of the energy levels decease, so because mass is so large at our scale the separation of energy levels is so infinitely small and see...

Before i understood that the de Broglie wavelength gets smaller as the momentum increases of an object, so my think was that because our (human body) momentum is so large that the de Broglie wavelength would be so small for there to be any effect on us, i know that we are also to large to...

the mathematical models have been constructed to match the observations, but how much can we see? In quantum physics we are able to observe the affect of the actions of particles, but we can't observe the particle in action itself. Theories are made from these observations and work well, but...

Modern physics is trying to understand and describe domains that we cannot observe, therefore we have trust our powers of reasoning, deduction of the mathematical facts. Im wondering how much we can rely on physics theories created from mathematical models compared to theories created through...

what i want to know is why classical physics does not work on quantum level particles? what are the consequences of using classical physics on quantum level particles?

im finally writing my conclusion for my Extended Essay. The extended essay (EE) is a mandatory core component of the IB Diploma Programme. It is a research paper of up to 4,000 words giving students an opportunity to conduct independent research or investigation on a topic that interests...

sorry, please don't read my previous comment. i see where i acutely went wrong, i have to use integration by parts. i have a problem of mixing up integration and differentiation. hope I am correct this time sorry and thank you

looking over it again i see where i went wrong, i used integration in the product rule. sorry for wasting your time and thank you very much!

the pictures in the attachment shows some of my working

i have looked over and did it again, i still get zero. could you please try out the integral ∫ ψkψ dx where ψ=√(2/L) sin⁡((∏/L) x) and k=(Vo/L)x

in the infinite well with small potential shown in the attachment. I calculated the total energy by using the time independent Schrödinger equation and adding the correction energy to the equation of the slope k=(Vo/L)x. E=h^2/8mL^2 +∫ ψkψ dx ψ=√(2/L) sin⁡(∏/L x) when integrating ∫...

in the infinite well with small potential shown in the attachment. I calculated the total energy by using the time independent Schrödinger equation and adding the correction energy to the equation of the slope k=(Vo/L)x. E=h^2/8mL^2 +∫ ψkψ dx ψ=√(2/L) sin⁡(∏/L x) when integrating ∫...

Im wondering how potential can act as a boundary for electrons in a 1-D time independent infinite well?

Thanks for all the replies, I understand know. thanks