An Electron in a Rigid Box Is in the Ground

question 32

Multiple Choice

An electron in a rigid box is in the ground state. The system absorbs a 9-eV photon putting the electron in the n = 2 state. What is the width of the box?

• A)1.8 × 10^-10 m
• B)1.5 × 10^-10 m
• C)2.5 × 10^-10 m
• D)2.0 × 10^-10 m
• E)3.5 × 10^-10 m

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Definitions:

Pantheon

An ancient Roman temple in Rome, Italy, dedicated to all the gods of pagan Rome, now a church, renowned for its massive dome and oculus.

Hadrian

A Roman Emperor known for his substantial building projects throughout the Roman Empire, including Hadrian's Wall in Britain.

Augustus

The first Roman emperor, ruling from 27 B.C. until his death in A.D. 14, and known for initiating the Pax Romana, a period of relative peace in the Roman Empire.

Greek Post-and-Lintel

A building system using two vertical posts supporting a horizontal beam (lintel), characteristic of ancient Greek architecture and foundational in Western architectural tradition.