The Efficiency of Classroom Lasers Is Typically

question 41

Multiple Choice

The efficiency of classroom lasers is typically

• A)about one percent.
• B)about ten percent.
• C)about twenty percent.
• D)appreciably more than twenty percent.

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Decision Makers

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Parking Garages

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Mirror Question

Question that paraphrases the content of the answer an interviewee gave to the last question.