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40 because you have to multiply the ocular lens times the objective lens and the ocular lens is almost always 10x i think. Hopefully it is in your case. I know our microscopes are like that. Hope this helps! :)
The objective lens (right above the slide stage) is 4x. The eyepiece (what you look into) is 10x. 4 times 10 = 40. Whatever the objective lens power is, you have to multiply it by the eyepiece power (usually 10x) to get the overall magnification.
Total magnification with a low power objective lens is calculated by multiplying the magnification power of the objective lens by the magnification of the eyepiece (ocular lens). Typically, a low power objective lens has a magnification of 10x or 4x, and when combined with a standard 10x eyepiece, the total magnification would be 100x or 40x, respectively. Therefore, total magnification for low power objectives usually ranges from 40x to 100x.
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Impossible to answer ! 200x magnification could be created by an eyepiece with 4x and an objective lens of 50x magnification - but that's just ONE example !
What is the value of the smallest objective?If it is 4x,The total magnification = eye piece x objective lens= (10x) x (4x)= 40x
The total magnification for each lens setting on a microscope with 15x oculars and various objective lenses would be as follows: 4x objective lens: 60x (4x * 15x) 10x objective lens: 150x (10x * 15x) 45x objective lens: 675x (45x * 15x) 97x objective lens: 1455x (97x * 15x)
When using a 4x objective lens on a microscope, the total magnification is calculated by multiplying the objective lens magnification by the eyepiece magnification. If the eyepiece (ocular) lens is typically 10x, the total magnification would be 4x (objective) × 10x (eyepiece) = 40x. Therefore, when scanning with a 4x objective, the total magnification will be 40x.
The total magnification is calculated by multiplying the magnification of the objective lens by the magnification of the ocular lens. In this case, 4x (objective lens) x 10x (ocular lens) = 40x total magnification.
With a 4x objective lens compared to a 40x objective lens, you would see a larger area of the specimen, but the image would be less detailed and magnified with the 4x objective. The 40x objective would provide a much closer and higher magnification view of a smaller area of the specimen.
You can estimate the size of the object by comparing the field diameters observed under the low power objective lens (4x) and high power objective lens (40x). Calculate the ratio of the field diameters (40x/4x = 10), and use this ratio to estimate the size of the object viewed under the high power objective lens. Simply multiply the size of the object viewed under the low power objective lens by the ratio (field diameter at 4x) to get an estimation.
The total magnification is 40x. 10x is the lens in the eyepiece and the 4x is in the lens in the low powered objective lens. You have to multiply it to get 40x. Hope I helped! ^_^ And, ironically, I'm doing my science homework right now.
Start with the lowest magnification objective lens, typically 4x or 5x, as it provides a wider field of view and makes it easier to locate the specimen.
the objective is the lens, there is the main ocular lens which you look through and then this leads to the turret. on the turret are 3 (usually) objective lenses which are usually 4x, 10x and 40x. so the objective are three lenses which change the amount of magnification on the microscope. :)
The lowest power of a microscope is typically 4x, known as the scanning objective lens.
You can typically tell which objective lens is in the viewing position by looking at the number or color marked on the lens. The objectives are usually labeled with magnification values (such as 4x, 10x, 40x, etc.) or distinct colors to help identify them while using a microscope.
40 because you have to multiply the ocular lens times the objective lens and the ocular lens is almost always 10x i think. Hopefully it is in your case. I know our microscopes are like that. Hope this helps! :)