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Q 1: A certain lens focuses light from an object that is 88 cm from the lens. The image is formed on the same side of the lens at a distance of 40 cm.
1) What type of lens s it?
A) Concave
B) Convex
C) Thin Lens
D) All are possible
2) What is its focal length? Follow the sign conventions.
A) -0.013 cm
B) -73.3 cm
C)73.3cm
D) 27.5 cm
E) 0.013 cm
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