In a Scene from a Movie,a Nearsighted Character Removes His

question 37

Multiple Choice

In a scene from a movie,a nearsighted character removes his eyeglasses and uses them to focus the nearly parallel rays of the sun to start a fire.What is physically wrong with this scene?

• A)The eyeglasses have diverging lenses and cannot be used to focus parallel rays.
• B)The eyeglasses have converging lenses and cannot be used to focus parallel rays.
• C)Sunlight cannot be used to start a fire.
• D)A fire can only be started if the image is virtual.
• E)Parallel rays cannot be focused.

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Definitions:

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