How Was Radioactivity Discovered

question 103

Multiple Choice

How was radioactivity discovered?

• A)Rutherford was investigating the structure of Au atoms and discovered alpha particles.
• B)Marie Curie was investigating the existence of uranic rays that occurred in some minerals.
• C)Becquerel was studying X-rays and phosphorescence to see if they were related.
• D)Benjamin Franklin was studying the creation of electrical current from the ionization of gases due to radioactive particles.
• E)none of the above

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Definitions:

Annuity Due

A type of annuity in which payments are made at the beginning of each period, rather than at the end.

Present Value

The current worth of a future sum of money or stream of cash flows, given a particular rate of discount.

Sinking Fund

A fund established by a government or corporation for the purpose of reducing debt by repurchasing bonds or shares.

Maturity

The date on which a debt instrument (such as a bond) is due to be repaid in full.