BI-961
Measuring length
Biology · Secondary 3 · Hard · Measuring length
A student prepares a slide of onion epidermis and views it under a light microscope.
The actual width of one cell is 40 µm. In the drawing, the width of the same cell is 8.0 cm.
What is the magnification of the drawing? (1 cm = 10 000 µm)
The actual width of one cell is 40 µm. In the drawing, the width of the same cell is 8.0 cm.
What is the magnification of the drawing? (1 cm = 10 000 µm)
- 20×
- 200×
- 2000×
- 20 000×
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