626 \times 10^{-34} \) Js), \( c \) is the speed of light (\( 3 \times 10^8 \) m/s), and \( \lambda \) is the wavelength of the light (199 nm = \( 199 \times 10^{-9} \) m).
\[
E = \frac{6.626 \times 10^{-34} \text{ Js} \times 3 \times 10^8 \text{ m/s}}{199 \times
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