Question

The human egg cell above is magnified using a 10´ ocular lens and a 40´ high power objective lens.
(a) Calculate the overall magnification.
(b) If the field of view at high-power magnification is 400 mm, calculate the size of the field of view when the magnification is reduced to 200´. Round your answer to three significant digits.
(c) Convert your three-digit answer in (b) to millimetres.