结果1 题目 The resolving power of a compound microscope depends on: D(A) Length of the microscope.(B)The diameter of the objective lens.(C) The diameter of the eyepiece(D)The position of an observer's eye with regard to the eye lens. 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
compoundmicroscope-lightmicroscopethathastwoconverginglenssystems:theobjectiveandtheeyepiece light microscope-microscopeconsistingof anopticalinstrumentthatmagnifiestheimageof anobject object glass,object lens,objective lens,objective-thelensorsystemoflensesin atelescopeormicroscopethatisnearesttheobjectbeingviewed ...
- A compound microscope consists of two or more lenses (the objective and the eyepiece) that work together to magnify the object. 2.Magnification Process: - In a simple microscope, magnification occurs in one stage as the light passes through the single lens. ...
In a compound microscope, the focal length of the objective and the eye lens are 2.5 c m and 5 c m respectively. An object is placed at 3.75 c m before the objective and image is formed at the least distance of distinct vision, then the distance between two lenses will be ( i . ...
The Compound Microscope - Handbook of Histopathological and Histochemical Techniques (Third Edition) - Chapter 30ELSEVIERHandbook of Histopathological & Histochemical Techniques
1.(General Physics) an optical instrument that uses a lens or combination of lenses to produce a magnified image of a small, close object. Modern optical microscopes have magnifications of about 1500 to 2000. See alsosimple microscope,compound microscope,ultramicroscope ...
The image is also virtual; i.e., it cannot be projected on a screen as can a real image. Compound Microscopes The compound microscope consists essentially of two or more double convex lenses fixed in the two extremities of a hollow cylinder. The lower lens (nearest to the object) is ...
Guided by gut sensory cues, humans and animals prefer nutritive sugars over non-caloric sweeteners, but how the gut steers such preferences remains unknown. In the intestine, neuropod cells synapse with vagal neurons to convey sugar stimuli to the brain
they utilize light passing through the sample from below and special techniques are usually necessary to increase thecontrastin theimageto useful levels (seecontrast methods).Typically, on a standard compound optical microscope, there are three objective lenses: a scanning lens (4×), low power len...
Compound microscopes can magnify specimens enough so that the user can see cells, bacteria, algae, and protozoa. You cannot see viruses, molecules, or atoms using a compound microscope because they are too small; an electron microscope is necessary to image such things. ...