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?
a. 10X
b. 15 X
c. 40X
d. 20 X
it's urgent guys
please help me
Answers
Answer: 40 x is the correct answer.
Explanation:- 40x * 10x
(40*10)x
400x
40X
Explanation:
While viewing through the microscope you need to remember that 2 lenses are present, one is the eyepiece and the other is the objective.
The total magnification of a lens is calculated by multiplying the magnification of the objective lens with the magnification of the eyepiece.
Therefore, if the eyepiece is of 10X and the total magnification that is desired is 400 X, then one needs to apply the formula :
eyepiece magnification X objective magnification = total magnification
plug in the vales
10 X objective magnification = 400
Therefore, the required magnification of the objective should be 40 X as, 40 X 10 = 400.
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