Homework Sourse1 Why arent the magnification of both occular lenses of a bi
1. Why aren\'t the magnification of both occular lenses of a binocular microscope used to calculate total magnification?
2. what is the total magnification for each lens setting on a microscope with 15X oculars and 4X, 10X, 45X, and 97X objectives lenses?
3. Assuming that all other variables remains constant, explain why light of shorter wavelengths will produce a clearer image then light of longer wavelengths?
Solution
1. Why aren\'t the magnification of both ocular lenses of a binocular microscope used to calculate total magnification?
These ocular lenses are parallel, not in series. The additional lens does not magnify the image more, instead, both lenses allow both eyes to see the image at the same magnification.
2. what is the total magnification for each lens setting on a microscope with 15X oculars and 4X, 10X, 45X, and 97X objectives lenses?
Total magnification= magnification of ocular lens x magnification of objective lens
total magnification = 15 * 4 = 60x
total magnification = 15 * 10 = 150x
total magnification = 15 * 45 = 675x
total magnification = 15 * 97 = 1455 x
3. Assuming that all other variables remains constant, explain why light of shorter wavelengths will produce a clearer image than light of longer wavelengths?
Limit of resolution (D) = wavelength / (NA condenser + NA objective)
A small wavelength light will allow for a smaller Limit of resolution value.
Limit of Resolution refers to the distance apart two objects must be for the microscope to distinguish them as separate objects. Smaller D value means better resolution, thus better clarity.
