Question

Blood cells can be identified by their round appearance. Unlike plant cells, they do not have cell walls.
At 40x, how many individual blood cells can be seen in the viewing field?

Answer 1

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We can't exactly define how many blood cells can be seen at 40x but we can see them clearly at 400x.

Answer 2

At 40x, 583.33 individual blood cells can be seen in the viewing field.

Given:

Blood cells can be identified by their round appearance. Unlike plant cells, they do not have cell walls.

To find:

At 40x, how many individual blood cells can be seen in the viewing field?

Solution:

The number of distinct blood cells that may be seen at a TOTAL magnification of 40x (scanning microscope) is 583.33. 6.2-8.2 μm (7.2 μm) is the size of a typical red blood cell, and a 40x magnification's field of view has a diameter of 4200 μm.

Hence, the answer is 583.33.

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