Consider an object placed near a thin lens. The ray shown is one of the principal rays for the lens. Each square is 1 in along the horizontal direction. What is the focal length of the thin lens? (The image is drawn to scale) object optic axis lens

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Consider an object placed near a thin lens. The ray shown is one of the principal rays for the lens. Each
square is 1 in along the horizontal direction. What is the focal length of the thin lens? (The image is
drawn to scale)
object
|optic axis
lens
O A. +4 in
оВ. —4in
O C. +7 in
O D. -7 in
Transcribed Image Text:Consider an object placed near a thin lens. The ray shown is one of the principal rays for the lens. Each square is 1 in along the horizontal direction. What is the focal length of the thin lens? (The image is drawn to scale) object |optic axis lens O A. +4 in оВ. —4in O C. +7 in O D. -7 in
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