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In this video I will find the locations of the images s2'=? And magnification m2=?, and s3'=?, m3=? of the corresponding objects O2, and O3 are at distance s2=4cm, and s3=20cm away from a glass rod (in water) of radius R=+2cm.

Next video in this series can be seen at:
https://youtu.be/UMfSODVaYbU