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Useful Equations · Useful Equations 2 zx H x 1 N= J B E=hν ν= c λ ν!= 1 λ hv=Φ+ 1 2 m e v λ= h p ΔxΔp≥ 2 σ xσ p≥ 2 H! ψ=Eψ ψ n (x)=2 a sin nπx a ⎛ ⎝⎜ ⎞
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