Relation between the magnitude of energy change and photon wavelength:
$$|\Delta E| = \frac{hc}{\lambda}$$
where $$\Delta E = E_2 - E_1$$.
Absorption: $$\Delta E \gt 0$$; emission: $$\Delta E \lt 0$$.
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CAT Formulas
Atomic Structure
Energy Change and Wavelength Relation
Relation between the magnitude of energy change and photon wavelength:
$$|\Delta E| = \frac{hc}{\lambda}$$
where $$\Delta E = E_2 - E_1$$.
Absorption: $$\Delta E \gt 0$$; emission: $$\Delta E \lt 0$$.
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