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An illuminated point object O is kept 20...

An illuminated point object O is kept `20` cm from a thin convex lens `L_(1)` of focal length `15` cm as shown below. A thin diverging lens `L_(2)` of focal length `25` cm is kept co - axial with the first lens and `35`cm from it, as shown in figure below :

Find the position of the final image formed by this combination of lenses.

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real, inverted, 30cm from the mirror
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