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Front of a lens of focal length

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An object is placed 25 cm in front of a lens of focal length 20 cm. 60 cm past the first lens is a second lens of focal length 25 cm. How far past the 25 cm lens does the final image form?

a. 20 cm

b. 40 cm

c. 16 cm

d. 25 cm

e. 47 cm

The answer is C. Please show the work

Reference no: EM131403230

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