A Canvas Tent Has a Single,tiny Hole in Its Side

question 15

Multiple Choice

A canvas tent has a single,tiny hole in its side.While inside the tent,you observe on the wall of the tent which is 2.0 m away from your eye a dot (due to the Sun's light incident upon the hole) of width 2.0 mm,with a faint ring around it.What is the size of the hole in the tent?

• A) 0.76 mm
• B) 1.24 mm
• C) 0.31 mm
• D) 0.62 mm

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