Asked by Anonymous

How far apart are an object and an image formed by a 62 cm focal-length converging lens if the image is 2.75X larger than the object and is real?
Answered by drwls
Use the lens equation again. You should have memorized it by now.

Substitute 2.75 do for di and solve for image distance, di.

Distance from object to image = di + do = 3.75 di.
Answered by Anonymous
Mass spring system is hung vertically and set into oscllation Why does the motion eventually stops?
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