BI-2180

Measuring length

Biology · Secondary 4 · Medium · Measuring length

On a photomicrograph of a plant root hair cell, the measured length of the cell is 24 mm. The actual length of the cell is 0.12 mm.

What is the magnification of the photomicrograph?

$\times 20$
$\times 200$
$\times 2\,000$
$\times 0.2$

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