Calculate the actual size

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A cell is viewed under low power magnification. (4 mm in diameter) When the revolving nosepiece is turned to the high power magnification, the object disappears from view.

a) Despite repeated attempts to refocus the view, the cell cannot be seen. Provide a possible explanation.

b) You eventually locate the cell under low power. The cell takes up 1⁄4 of the diameter under low power. Calculate the actual size. Show the formula and steps.

Reference no: EM132371381

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