A Hydrogen Atom Is Excited to The $n = 11$ Level Its Decay to The to The n

question 166

Multiple Choice

A hydrogen atom is excited to the $n = 11$ level. Its decay to the $n = 7$ level is detected in a photographic plate. What is the wavelength of the light photographed? $\left( c = 3.00 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s } , 1 \mathrm { eV } = \right.$ $\left. 1.60 \times 10 ^ { - 19 } \mathrm {~J} , h = 6.626 \times 10 ^ { - 34 } \mathrm {~J} \cdot \mathrm { s } \right)$

• A) \(4670 \mathrm {~nm}\)
• B) \(4380 \mathrm {~nm}\)
• C) \(7510 \mathrm {~nm}\)
• D) \(12,400 \mathrm {~nm}\)

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Definitions:

Hypotheses

Proposed explanations or predictions, typically stated in a testable form, that can be examined through experimentation or observation.

Sample Mean

The average value computed from a subset (sample) of a population, used to estimate the population's mean.

Sample Standard Deviation

A measure that quantifies the amount of variation or dispersion of a set of sample data values.

Variance

A measure of the spread or dispersion of a set of values, indicating how much the values differ from the mean of the set.