Got the right answers for parts A-C but can\'t get part D right. The objective l

Question

Got the right answers for parts A-C but can't get part D right.

The objective lens and the eyepiece of a microscope are 16.5 cm apart. The objective lens has a magnification of 62× and the eyepiece has a magnification of 11×.

M = 682 x

f1 = 2.27 cm

f2 = .226 cm

D) Calculate where an object should be placed (outside the focal point of the objective lens) in order for a normal eye to focus comfortably on the image. Express your answer to one significant figure and include the appropriate units.

d = ??

Explanation / Answer

here

d = 1 / (1 / f - 1 / v)

d = 1 / ( 1 / 0.226 - 1 / 25)

d = 0.228 cm

so the obkect should be placed at 0.228 cm

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