本题目来源于试卷: Unity and Diversity A.4 Cell Structure，类别为 IB生物学
[单选题]
What is the correct magnif 2ep)*maqc2i x+tdd/ hv 3pgb /l6p2hn7m9dapygy:) cication of this image?
A. 1000 x
B. 100 x
C. 0.1 x
D. 10000 x
参考答案: A
本题详细解析:
Magnification is calculated using the equation image size divided by actual bvuq:ukr*x a( oejf,9s3 am- fb6x ,)nsize. Both numbers must be the same units. The image size of the magnification bar is 0.5 cm, or 5000 µm, the actual size of the magnification bar x(n je3af-u 9*u6k,x:rbq vb) fsa m,ois 5 µm. 5000 µm ÷ 5 µm = 1000 x. Choice A is correct.
Choices B, C and D are incorrect.
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