Asked by Ivy
Calculate the wavelength of light that must be absorbed by hydrogen atom in its ground state to reach the excited ste of E=+2.914*10^(-18)
Answers
Answered by
Jacky
E = hc/λ where h = 6.626 E -34 Js
+2.914*10^(-18) J = [6.626*10^(-34) Js (3*10^8) m/s] / λ
so do some mathematical manipulation and isolate λ to get:
λ = [6.626*10^(-34) Js (3*10^8) m/s] / +2.914*10^(-18) J
& you can use a calculator to get the final answer :)
+2.914*10^(-18) J = [6.626*10^(-34) Js (3*10^8) m/s] / λ
so do some mathematical manipulation and isolate λ to get:
λ = [6.626*10^(-34) Js (3*10^8) m/s] / +2.914*10^(-18) J
& you can use a calculator to get the final answer :)
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