The diameter of field for a 4x lens is measured at 4.6 mm. How many bacterial cells,each measuring 4 μm,could be lined up along the diameter?

Name: The diameter of field for a 4x lens is measured at 4.6 mm. How many bacterial cells,each measuring 4 μm,could be lined up along the diameter?
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Question

The diameter of field for a 4x lens is measured at 4.6 mm.  How many bacterial cells,each measuring 4 μm,could be lined up along the diameter?

Quizplus · Accepted Answer

The diameter of the field is 4.6 mm, which is 4600 μm. Each bacterial cell is 4 μm, so the number of cells that can be lined up along the diameter is 4600 μm / 4 μm = 1150 cells.

The Diameter of Field for a 4x Lens Is Measured