<problem>
<include>
<parserlib> multiple_true </parserlib>
</include>
<part required="true">
<answergroup>
<outtext>
Identify as true or false the following statements concerning
images formed by a SINGLE OPTICAL ELEMENT. The element may be a
plane mirror, a concave mirror, a convex mirror, a converging
lens, or a diverging lens.
<tex> \newline </tex>
</outtext>
<block condition="&hinton()">
<outtext>
Recall that real images are on the opposite side of a single
lens from the object. Real images for a mirror are on the
same side as the object.
</outtext>
</block>
<multipletrue option="atleastonetrue">
<multipletrueconcept description="Real Image Size">
<multipletrueresponse value=false>
<foil>
<check style="check">
Real images are always smaller than objects. <br>
</check>
</foil>
</multipletrueresponse>
<multipletrueresponse value=false>
<foil>
<check style="check">
Real images are always larger than objects. <br>
</check>
</foil>
</multipletrueresponse>
</multipletrueconcept>
<multipletrueconcept description="Virtual Image Direction">
<multipletrueresponse value=true>
<foil>
<check style="check">
Virtual images are always upright (i.e., of the same vertical
orientation as the objects).
</check>
</foil>
</multipletrueresponse>
<multipletrueresponse value=false>
<foil>
<check style="check">
Virtual images can be inverted (i.e., of the opposite vertical
orientation as the object which formed it).
</check>
</foil>
</multipletrueresponse>
</multipletrueconcept>
<multipletrueconcept description="Real Image Direction">
<multipletrueresponse value=true>
<foil>
<check style="check">
Real images are always inverted (i.e., of the opposite
vertical orientation as the object).
</check>
</foil>
</multipletrueresponse>
<multipletrueresponse value=false>
<foil>
<check style="check">
Real images can be upright (i.e., of the same vertical
orientation as the object).
</check>
</foil>
</multipletrueresponse>
</multipletrueconcept>
<multipletrueconcept description="Where an object is relative
to its image">
<multipletrueresponse value=true>
<foil>
<check style="check">
The real image by a mirror is always on the same side as
the object.
</check>
</foil>
</multipletrueresponse>
<multipletrueresponse value=false>
<foil>
<check style="check">
A mirror creates a virtual image on the same side as the
object.
</check>
</foil>
</multipletrueresponse>
<multipletrueresponse value=false>
<foil>
<check style="check">
A mirror creates a real image on the side opposite the
object.
</check>
</foil>
</multipletrueresponse>
<multipletrueresponse value=true>
<foil>
<check style="check">
The virtual image by a mirror is always on the side
opposite the object.
</check>
</foil>
</multipletrueresponse>
</multipletrueconcept>
<showrandomfoil/>
<showrandomfoil/>
<showrandomfoil/>
<showrandomfoil/>
</multipletrue>
</answergroup>
</part>
</problem>
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