What is its focal length, A certain lens focuses light from

What is its focal length

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Reference no: EM13979474

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

Reference no: EM13979474

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