An electron in an atom drops from an energy level at -1.1 * 10^-¹⁸ J to an energy level at -2.4 * 10^-¹⁸ J. The wave associated with the emitted photon has a frequency of: A) 2.0* 10¹⁷ Hz B) 2.0 * 10¹⁵ Hz C) 2.0 *10¹³ Hz D) 2.0 * 10¹¹ Hz E) 2.0 * 10⁹ Hz

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The Answer of An electron in an atom drops from an energy level at -1.1 * 10^-¹⁸ J to an energy level at -2.4 * 10^-¹⁸ J. The wave associated with the emitted photon has a frequency of: A) 2.0* 10¹⁷ Hz B) 2.0 * 10¹⁵ Hz C) 2.0 *10¹³ Hz D) 2.0 * 10¹¹ Hz E) 2.0 * 10⁹ Hz

An Electron in an Atom Drops from an Energy Level