Question

1.In a system of two or more lenses, describe how the intermediate images are used in the system (i.e. the first lens makes an image, what happens with it?)

1.Why is a microscope more effective for viewing small objects than a magnifying glass?

Answer 1

1(a) The image is there, it is just that we are not viewing that image we are just viewing the final image. If we place a screen over there the image will form.

1(b)  Magnifying glasses enlarge the image of an object. However, distortion occurs quickly. Improper distance can cause the object to appear smaller, and over-magnification can cause the image to lose quality and appear fuzzy and out of focus. Compound light microscopes eliminate the problem caused by the single bi-convex lens of a magnifying glass. The ocular lens on a microscope is essentially performing the same function as a magnifying glass, but it is viewing the image produced by the objective lens. The objective lens, when used in conjunction with the adjustment knobs on the scope, creates a magnified image and reflects it to the ocular lens so that there is no loss in fidelity.