A 310-EV Electron Is Incident on a 0

question 25

Multiple Choice

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,
H = 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

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Definitions:

Linear Programming

A mathematical method for determining a way to achieve the best outcome (such as maximum profit or lowest cost) in a given mathematical model for some list of requirements represented as linear relationships.

Mathematical Forecasting

The use of mathematical models and statistical techniques to predict future events, trends, or behaviors based on historical data.

Petroleum Reserves

Quantities of crude oil and natural gas geologically and commercially feasible for extraction.

Quantitative Approach

A research strategy that focuses on quantifying the collection and analysis of data.