A Radioactive Sample Has a Half-Life of 10 Min

question 19

Multiple Choice

A radioactive sample has a half-life of 10 min.What fraction of the sample is left after 40 min?

• A)1/2
• B)1/4
• C)1/8
• D)1/16

---

Definitions:

Primary Goal

The main or most important objective aimed to be achieved in a plan, strategy, or endeavor.

Emancipation

The act of freeing someone from slavery or bondage; famously refers to the Emancipation Proclamation by President Abraham Lincoln during the Civil War.

Rifle Technology

refers to the advancements in firearm design, particularly long guns, that have significantly improved accuracy, range, and firepower over centuries.

Battlefields

Areas where battles are fought, often marking significant historical events.