Essays Tagged: "Optical microscope"

Module 1 biology notes

ľAn optical microscope enlarges the image of cells. This is called magnification. To show us small struc ... able to distinguish between objects that are close together. This is called resolution.ľOptical microscope passes light through a specimen to be viewed. Maximum magnification is about 1500 ...

(4 pages) 46 0 3.7 Feb/2004

Subjects: Science Essays > Biology

The Most Useful (or Important) Scientific Invention

The microscope is considered one of the most useful and important scientific inventions known to 'man'.T ... ade a living selling clothes and buttons, but spent his spare time grinding lenses and constructing microscopes of remarkable quality, such as the light microscope. The light microscope could magnify ... ger picture of what they are made of.Over the years, scientists improved on Anton van Leeuwenhoek's microscope by creating microscopes with higher magnifications and far better resolutions, so specime ...

(2 pages) 45 2 4.2 May/2004

Subjects: Humanities Essays


knob - used to make fine adjustments to focus the image, arm - curved portion that holds all of the optical parts at a fixed distance and aligns them and base - supports the weight of all of the micro ...

(3 pages) 24 0 0.0 Aug/2004

Subjects: Science Essays

Light Microscope and Electron Microscopes

Magnification and ResolutionMagnification is how much bigger a sample appears to be under the microscope than it is in real life.Overall magnification = Objective lens x Eyepiece lensResolution ... - violet is 400nm) is much larger than the wavelength of electrons, so the resolution of the light microscope is a lot lower.· The actual resolution is often half the size of the wavel ...

(4 pages) 32 0 0.0 Mar/2005

Subjects: Science Essays > Biology

Microscope Flea Lab (chapter 14) - Science Probe 10

Aim: To look at a cat flea and a honeybee under a microscope and draw what is seen.Materials: Compound microscope, microscope diagram handout, prepare ... ides of cat flea and honeybee.Prediction: I predict that it will be relatively simple to set up the microscope and view the flea and honeybee, but not easy to draw the flea and honeybee picture.Proced ... t easy to draw the flea and honeybee picture.Procedure:1. Collect microscope from trolley.2. Set up microscope and switch on the microscope light.3. Collect cat flea slide and place under microscope l ...

(2 pages) 1161 0 0.0 Sep/2006

Subjects: Science Essays > Biology

History Of The Microscope

The Microscope is a strange and yet a cool object, it let's us get an up close look at the worlds tinies ... Its power lies all in different lenses, smaller but more powerful versions of a magnifying glass. A microscope is a small machine but with many wonders.FOUNDING FATHERS OF THE MICROSCOPE Hans and Zach ... Dutch Eyeglass Makers, Inventors): The Janssen's are known to be one of the founding fathers of the microscope. This father and son duo created the first compound microscope, which was really a tube w ...

(2 pages) 11 0 3.0 Feb/2008

Subjects: Science Essays > Chemistry

Notes on eyes, vision problems, microscopes, telescopes, and cameras

s transform the light and color into electrical impulses, and these impulses are transmitted up the optical nerve and into the brain, where the brain decodes the images.•When lens of the eye focu ... 46;s handled by the eyepiece and is depended on the combination of lenses that are being used.•Optical telescopes: pirates use, they magnify visible light.•Binoculars: two telescopes stuck t ...

(5 pages) 1192 0 0.0 May/2008

Subjects: Science Essays > Physics