Suppose You Wanted to Start a Fire Using a Mirror

question 153

Multiple Choice

Suppose you wanted to start a fire using a mirror to focus sunlight. Which of the following statements is most accurate?

• A) It would be best to use a convex mirror.
• B) One cannot start a fire using a mirror, since mirrors form only virtual images.
• C) It would be best to use a plane mirror.
• D) It would be best to use a concave mirror, with the object to be ignited positioned halfway between the mirror and its center of curvature.
• E) It would be best to use a concave mirror, with the object to be ignited positioned at the center of curvature of the mirror.

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Definitions:

Consumer Satisfaction

The measure of how products and services provided by a company meet or surpass a customer's expectation.

Marginal Cost

The increase in cost resulting from the production of one additional unit of output.

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A unit of volume measurement used primarily in the United States to measure liquids, with one quart equivalent to roughly 0.946 liters; often used to measure milk quantity.

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Grain-based food processed or whole, often consumed as breakfast and served either hot or cold, usually in milk or yogurt.