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Many
students at the university level do not
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understand
basic issues with mirrors. They think:
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The
image in a mirror lies on the surface of the mirror.
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(~30%
pre instruction)
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That
the position of a mirror image changes
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when
the observer moves. (~30% post instruction)
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If a
mirror is too small to see all of yourself, you can
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step
back and see more. (~70% post instruction)
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