Walther Bothe and Wilhelm Becker Discovered a New Kind of Particle

question 46

Multiple Choice

Walther Bothe and Wilhelm Becker discovered a new kind of particle radiation in 1930. The particle was later determined to be a neutron. Bothe and Becker generated neutron radiation by

• A) heating nuclei to extremely high temperatures to boil the neutrons off.
• B) using an isotope that decays by emitting neutrons.
• C) using electrons to attract protons away from the nucleus.
• D) firing a beam of alpha particles at a beryllium target.

---

Definitions:

Right of Recovery

A legal principle allowing parties to seek compensation or restitution following a loss or injury.

Negligently

Performing actions or failing to act with a lack of proper care or concern for the consequences, potentially causing harm or damage.

Insolvent

A state where an individual or organization is unable to fulfill financial obligations due to lack of funds.

Security Interest

A legal claim or lien on collateral that has been pledged, usually to obtain a loan.