15. A student wants to view cells under the compound microscope at a total magnification of 400X. If the eyepiece is 10X, which of the following objective lenses should be used?(1 point)
Responses
4X
4X
100X
100X
40X
40X
10X
The correct answer is 40X.
To calculate the total magnification, you multiply the magnification of the eyepiece by the magnification of the objective lens being used.
In this case, the student wants a total magnification of 400X and the eyepiece magnification is 10X.
So, you divide the total magnification by the eyepiece magnification: 400X / 10X = 40.
Therefore, the student should use a 40X objective lens.