Particle in a Box: You Want to Confine an Electron

question 18

Multiple Choice

Particle in a box: You want to confine an electron in a box (an infinite well) so that its ground state energy is 5.0 × 10^-18 J. What should be the length of the box? (h = 6.626 × 10^-34 J ∙ s, m_el = 9.11 × 10^-31 kg)

• A) 0.11 nm
• B) 0.22 nm
• C) 0.15 nm
• D) 0.18 nm

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Definitions:

Higher Next Month

An anticipation or prediction that a particular metric or value, such as price or interest rate, will increase in the next month.

Market This Month

A snapshot or overview of market activities, trends, and performances for the current month.

Supply Curve

A graphical representation of the quantity of goods that producers are willing to sell at different prices.

Ink

A pigment or dye-based fluid used for writing, printing, or drawing, comprised of various chemical compositions depending on its intended use.