Emission spectrum results from the movement of an electron from a higher to a lower energy level. The frequency of the photon is 5.5 * 10^14 Hz.
From the formula;
E = hc/λ
h = Plank's constant =[tex]6.6 * 10^-34[/tex] Js
c = speed of light= [tex]3 * 10^8[/tex]
λ = wavelength = [tex]546.1 * 10^-9[/tex] m
E = [tex]6.6 * 10^-34 * 3 * 10^8/546.1 * 10^-9[/tex]
E =[tex]3.63 * 10^-19[/tex] J
Also;
E =hf
Where;
h = Planks's constant
f = frequency of photon
f = E/h
f = [tex]3.63 * 10^-19 J/6.6 * 10^-34[/tex]
f = [tex]5.5 * 10^14[/tex] Hz
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