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A scientist observed a cell using an electron microscope.
The size of the image was 25 mm.
The magnification was × 100 000
Calculate the real size of the cell.
Use the equation:

Give your answer in micrometres.

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Answer:

The real size of the cell is 2.5×10^(-4) mm

Explanation:

The formula of magnification is, mag. = image/original. It is given that the size of image is 25mm and the magnification is ×100 000 :

100 000 = 25/original

original = 25/100 000

= 0.00025 mm

= 2.5 × 10^(-4) mm