A Radioactive Source Emits 2 $2.6 \times 10 ^ { 9 }$

question 68

Multiple Choice

A radioactive source emits 2.4-MeV neutrons at the rate of 7100 neutrons per second. The number of atoms in the source is $2.6 \times 10 ^ { 9 }$ What is the activity of the source, in curies (Ci) ? (1.00 Ci = 3.70 × 10¹⁰ Bq)

• A)190 nCi
• B)1900 nCi
• C)19 nCi
• D)71 nCi
• E)710 nCi

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Definitions:

Employment

The condition of having a paid job; the total number of people currently employed in the economy.

Interest Rate Effect

The impact that changes in the interest rate have on consumer spending and investment due to the cost of borrowing money.

Real Wealth Effect

The change in consumption levels caused by a change in purchasing power, often due to inflation or deflation.

Aggregate Demand Curve

The Aggregate Demand Curve represents the total quantity of all goods and services demanded by the economy at different price levels.