The image formed by a thin converging lens is located at a distance from the len

Question

The image formed by a thin converging lens
is located at a distance from the lens that is
5.4 times the focal length, f.
If the image is real, what is the object
distance in units of the focal length f?

What is the magnification of the lens for the
conditions given in Part 1?

If the image is virtual, what is the object
distance in units of the focal length f?

What is the magnification of the lens for the
conditions given in Part 3?

Any help would be most appreciated

So far the answer for the first question is correct as 1.227 focal length, but I still need help
finding the remaining answers. Thanks!

Explanation / Answer

2. 1/u = 1/f -1/v u = fv/v-f = 1.227*5.4*1.227/5.4 u = 1.505 mag m = 5.4*1.227/1.505 = 4.40 3. u = -1.505 4.m = 4.40

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