Asked Dec 9, 2019

An object located 32.0 cm in front of a lens forms an image on a screen 8.0 cm behind the lens. (a)
Find the focal length of the lens. (b) Determine the magnification. (c) Is the lens converging or diverging?


Expert Answer

Step 1



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Object Distance,u= 32 cm Image Distance,v=8 cm

Step 2

Part (a):

Since the given objects producing an image using a lens. So we need to apply equation of lens,


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where, f = Focal length

Step 3

By substituting the ...


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и у f 32 8 1 1+4 32 f 32 32 5 f =6.4 cm


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