The Iris Diaphragm ________

question 33

Multiple Choice

The iris diaphragm ________.

• A) focuses light on specimen
• B) separately magnify specimen
• C) holds the specimen in place
• D) controls light intensity via adjustable opening

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Definitions:

Exchange Rate

The value assigned to one currency when trading for another.

Units

A fundamental quantity used in mathematics and science to measure variables.

C$ Weakens

A situation in which the Canadian dollar decreases in value relative to other currencies.

US$ Per C$

The exchange rate that defines how much one Canadian dollar (C$) is worth in United States dollars (US$).