Tunneling: a 3

question 4

Multiple Choice

Tunneling: A 3.10-eV electron is incident on a 0.40-nm barrier that is 5.67 eV high. What is the probability that this electron will tunnel through the barrier? (1 eV = 1.60 × 10^-19 J, m_el = 9.11 × 10^-31 kg, ħ = 1.055 × 10^-34 J ∙ s, h = 6.626 × 10^-34 J ∙ s)

• A) 1.4 × 10^-3
• B) 9.0 × 10^-4
• C) 1.0 × 10^-3
• D) 1.5 × 10^-3
• E) 1.2 × 10^-3

---

Definitions:

Central Tendency

Statistical measures that summarize a data set by identifying the central position within that data set, commonly using mean, median, and mode.

Extreme Scores

Statistical outliers in a data set that are significantly higher or lower than most of the data.

Variability

The degree to which data points in a dataset differ from each other and from their mean, indicating the dispersion or spread.

Scores

Quantitative values or measurements used to evaluate or assess someone or something's performance or status.