Aconvex lens of focal length 35 cm produces a magnified image 2.5 times the size of the object. what is the object distance if the image (formed) is real?

Image distance is -52.5 cm

Image is virtual and forms on the same side of the lens and upright image is formed.

Explanation:

u = Object distance

v = Image distance

f = Focal length = 35

m = Magnification = 2.5

Lens equation

Image distance is -52.5 cm

Image is virtual and forms on the same side of the lens and upright image is formed.

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