BIEN 245 Flashcards
1
Q
Photon Energy equation
A
E= hf =hc/λ
2
Q
Planck constant (joules)
A
6.626 x 10^-34 j*Hz
3
Q
Planck constant( eV)
A
4.135 x 10^-15 eV*Hz
4
Q
What is a Joule in SI units and eV?
A
(Kg*M^2)/S^2
6.24x10^8 eV
5
Q
de Broglie Wavelength equation
A
λ= h/mv
6
Q
Rayleigh’s criterion equation
(Angular resolution)
A
θ = 1.22λ/d
7
Q
Bragg’s law (coherent scattering)
A
δ/2π*λ=2d sinθ
δ/2π = n for constructive interference
δ/2π = n/2 for destructive interference
