After 2 H Has Elapsed, One-Sixteenth of the Original Quantity

question 51

Multiple Choice

After 2 h has elapsed, one-sixteenth of the original quantity of a certain radionuclide remains undecayed. The half-life of this radionuclide is

• A) 15 min.
• B) 30 min.
• C) 45 min.
• D) 60 min.

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Definitions:

Board of Directors

A group of individuals elected by shareholders to oversee the management and make key policy and decision-making for a corporation.

Honk

A sound made by vehicles as a signal or warning.

Truck

A motor vehicle designed to transport cargo, varying in size, power, and configuration.

Research

The systematic investigation into and study of materials and sources to establish facts and reach new conclusions.