A man holds a rectangular card in front of and parallel to a plane mirror. In order for him to
see the entire image of the card, the least mirror area needed is:
A. that of the whole mirror, regardless of its size
B. that of the pupil of his eye
C. one-half that of the card
D. one-fourth that of the card
E. an amount which decreases with his distance from the mirror
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Answer:
A is the correct answer because it needs whole image so big mirror when we keep parallel the counting of object is infinite
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