When an electron drops from the E3 level( -5.0 x 10^-19J) to the E1 level (-15 x

Question

When an electron drops from the E3 level( -5.0 x 10^-19J) to the E1 level (-15 x 10^-19 J) the atom is said to undergo emission. Calculate the wavelength of the photon emitted in this process. A. 1.4 x10^-18J B. 1.4 x 10^-7J C. -1.0 x 10^-18J D. 5x 10^-19J When an electron drops from the E3 level( -5.0 x 10^-19J) to the E1 level (-15 x 10^-19 J) the atom is said to undergo emission. Calculate the wavelength of the photon emitted in this process. A. 1.4 x10^-18J B. 1.4 x 10^-7J C. -1.0 x 10^-18J D. 5x 10^-19J A. 1.4 x10^-18J B. 1.4 x 10^-7J C. -1.0 x 10^-18J D. 5x 10^-19J

Explanation / Answer

my answer: D

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