A Man Holds a Rectangular Card in Front of and Parallel

question 47

Multiple Choice

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