# QB/a25GeometricOptics vision

< QB

The enrollment key for each course is 123. They are all is set to practice mode, giving students unlimited attempts at each question. Instructors can also print out copies of the quiz for classroom use. If you have any problems leave a message at user talk:Guy vandegrift.

• Quizbank now resides on MyOpenMath at https://www.myopenmath.com (although I hope Wikiversity can play an important role in helping students and teachers use these questions!)
• At the moment, most of the physics questions have already been transferred. To see them, join myopenmath.com as a student, and "enroll" in one or both of the following courses:
• Quizbank physics 1 (id 60675)
• Quizbank physics 2 (id 61712)
• Quizbank astronomy (id 63705)

PDF: File:Quizbankqb_a25GeometricOptics vision.pdf See special:permalink/1864546 for a wikitext version of this quiz.

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<syntaxhighlight lang="Latex"> Required images:

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%Question 1 \question Which lens has the shorter focal length?\attribu \begin{choices} \CorrectChoice This lens: \includegraphics[width=0.3\textwidth]{Raydrawingeyeschematic.png} \choice This lens:\includegraphics[width=0.3\textwidth]{Raydrawingeyeschematic01} \choice Both lenses have the same the same focal length \end{choices} %Question 2 \question figure: \newline\includegraphics[width=0.3\textwidth]{Raydrawingeyeschematic01}\newline If this represents the eye looking at an object, where is this object?\attribu \begin{choices} \choice One focal length in front of the eye \CorrectChoice Very far away \choice One focal length behind the eye \choice at the eye's cornea \choice at eye's retina \end{choices} %Question 3 \question The focal point is where the rays from an object meet after they have passed through a lens.\attribu \begin{choices} \CorrectChoice False \choice True \end{choices} %Question 4 \question Mr. Smith is gazing at something as shown in the figure: \newline\includegraphics[width=0.3\textwidth]{Raydrawingeyeschematic01}\newline Suppose the object is suddenly moved closer, but for some reason Mr. Smith does not refocus his eyes. which drawing below best depicts the rays' paths.\attribu \begin{choices} \choice This drawing: \includegraphics[width=0.25\textwidth]{Raydrawingeyealternate} \choice This drawing: \includegraphics[width=0.270\textwidth]{RaydrawingeyeWrongAnswer} \CorrectChoice This drawing:\includegraphics[width=0.336\textwidth]{Raydrawingeyeschematic02} \end{choices}

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