A Radioactive Source Has a Half-Life of 2 Min

question 75

Multiple Choice

A radioactive source has a half-life of 2 min.At time t = 0 it is placed near a detector and the counting rate is observed to be 3000 counts/s.The counting rate at t = 10 min will be

• A)1500 counts/s
• B)750 counts/s
• C)375 counts/s
• D)188 counts/s
• E)94 counts/s

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Definitions:

Quantity Supplied

The entirety of a product or service that sellers are capable and willing to offer at a specified price point over a determined period.

Demand for Tickets

The desire and willingness of consumers to purchase tickets for events, often influenced by factors like price, availability, and interest in the event.

Alfred Marshall

He was a prominent British economist in the late 19th and early 20th centuries, best known for his significant contributions to the principles of microeconomics.

Price Determination

The process by which the prices of goods and services are established based on supply and demand conditions.