Question

if the eyepiece magnification is 10x and the objective lens you are using is 40x (read it again! we are using highest power of 40x) what is the total magnification?
10x
40x
100x
400x
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Explanation:

Step1: Recall magnification formula

Total magnification = Eyepiece magnification × Objective lens magnification

Step2: Substitute given values

Total magnification = 10×40

Step3: Calculate result

Total magnification = 400x

Answer:

D. 400x