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OpenStudy (anonymous):

An illuminated slide is held 44 cm from a screen. How far from the slide must a lens of focal length 11 cm be placed (between the slide and the screen) to form an image of the slide's picture on the screen? (Answer: 22 cm)

OpenStudy (anonymous):

am not able to get final ans I know v=44-u, f= 11cm. eqn : 1/f =1/u+1/v finding difficult at calculation level. plz help me for simplification.

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