You need a converging lens of focal length 14 cm for your science project but you have a converging lens of focal length 10 cm.However,you do have a large variety of diverging lenses.What focal length diverging lens would you combine in contact with the converging lens to obtain the lens you need? (Assume the distance between the lenses is very small.)
A)-5.8 cm
B)-21.7 cm
C)-35.0 cm
D)-52.5 cm

Question

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The Answer of You need a converging lens of focal length 14 cm for your science project but you have a converging lens of focal length 10 cm.However,you do have a large variety of diverging lenses.What focal length diverging lens would you combine in contact with the converging lens to obtain the lens you need? (Assume the distance between the lenses is very small.)
A)-5.8 cm
B)-21.7 cm
C)-35.0 cm
D)-52.5 cm

You Need a Converging Lens of Focal Length 14 Cm