An Electron in an Atom Drops from an Energy Level

question 15

Multiple Choice

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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Definitions:

Random Variation

Fluctuations in data or experimental results due to unpredictable changes in variables or conditions.

Time Series

A sequence of data points collected or recorded at successive points in time, often analyzed to identify trends, cycles, and seasonal variations.

Three-period Moving Averages

A method used in time series analysis to smooth out data by calculating the average of any three consecutive periods to predict trends or identify patterns.

Principle of Parsimony

A principle stating that among competing hypotheses, the one with the fewest assumptions should be selected.