Question #229041

A photon of 498nm Was emitted from a silicon atom. Calculate the energy of all the atomic levels of silicon and show the atomic levels are quantified

Expert's answer

E(n) = - (1/n2) * 13.6 eV

In this equation, the Energy, E, is a function of the energy level, n. The units for the energy are in eV, which will have to be converted.

For n=2, we have E(2) = - (1/22) * 13.6 eV

E(2) = -(1/4) * 13.6 eV

E(2) = -3.40 eV

We can convert using 1 eV = 1.602 x10-19 J

So -3.40 eV * 1.602 x10^-19 J / 1 eV

= -5.45 x10^-19 J × 498

= -2.714 × 10-16J

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