Magnification (Edexcel GCSE Biology Combined Science): Quizzes

$magnification = \frac{image size}{real size}$

Eyepiece magnification × objective magnification

$1 \times 10^{-6}$ m

$1 \times 10^{-9}$ m

0.000015

$3.4 \times 10^{3}$

1-5 μm

20-300 nm

0.03 mm

Approx. 50 cells