Can anyone help me on these 2 questions?(adsbygoogle = window.adsbygoogle || []).push({});

1.An object is placed 30.0cm from a convex lens of f(focal length)=10.0cm. Find the position and the magnification of an image.

2. An object is placed 20.0cm from a convex lens of f=30.0cm. Find the position and themagnifying factorof an image.

thanx

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# Light - Lens help

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