The Decay Rate of a Radioactive Sample Decreases from 175

question 133

Short Answer

The decay rate of a radioactive sample decreases from 175 kBq to 12.4 kBq in 18.3 s. What is the half-life of this sample?

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Definitions:

Oceanus

In ancient Greek mythology, Oceanus was the titan god of the river Okeanos, believed to encircle the world, symbolizing the unexplored ocean.

Early Christian Basilica

A type of building structure that was adopted by Christians for their places of worship during the early centuries of the religion, characterized by a rectangular floor plan and an apse at one or both ends.

Greco-Roman Temple

A structure built for the purpose of worshipping the gods in the Greco-Roman tradition, often characterized by columns, pediments, and a high regard for symmetry and harmony.

East-west Orientation

Refers to the placement or arrangement of structures, cities, or geographical features along an axis that runs from the east to the west, often to capitalize on natural light or for symbolic reasons.