Which Statement About Light Is True

question 153

Multiple Choice

Which statement about light is true?

• A) An absorption spectrum is a plot of biological effectiveness versus wavelength.
• B) An absorption spectrum may be a good means of identifying a pigment.
• C) Light need not be absorbed to produce a biological effect.
• D) A given kind of molecule can occupy any energy level.
• E) A pigment loses energy as it absorbs a photon.

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Definitions:

Annual Perpetuity

A type of financial annuity that makes consistent annual payments to the holder indefinitely.

Interest Rate

The percentage paid by a borrower to a lender for the privilege of borrowing money, often annually, or the yield earned on investment funds.

Cash Flow Streams

Multiple inflows and outflows of cash, associated with investments or business operations, over a period.

Future Value

The value of an investment at a specific future date, including interest or dividends.