Find where should the lens placed

Reference no: EM13690601

Here is the question which I am struggling on, please help me!

Question: A converging lens of focal length 20 cm is placed between an object and a screen which are separated by 1.8 m.

Question 1: Where should the lens placed in order to form an image on the screen?

Please show work I think I have the answer just not positive.

Reference no: EM13690601

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