Q: Electrons are incident on a crystal which can be thought of as a series of reflecting planes with spacing d=0.074nm. What Kinetic Energy should the electrons be given in order that at least four diffracton maxima are observable?
Attempt:
The equations i think i have to use are nλ=2dsinθ...
Q: Explain the meanings of the four quantum numbers, n, l, m, σ which label the stationary states of the electron in the hydrogen atom.
i know what n and m are i can't find anywhere wat l is but i think its radius of orbit, but what is σ?
help would be much appreciated.
im first year physics undergrad. and am having big trouble understandin wave function, I am doing past exam papers and here's a questions that i can't answer (its really simple though!)
Q: What is the physical meaning of the wavefunction of the particle?
thats it, I am having real trouble...