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Why do we usually need a very thin slice of speciman to look at it under a light microscope?
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Which microscope can look at a thin slice of bacteria witch do you think it would be?
light
What is the function of mirror in microscope?
A compound microscope can either have a light bulb or a mirror for illumination. If your microscope has a mirror, then you need sunlight or some other light source to point at the mirror to view your slide.The mirror is used to focus light up through the hole in the microscope's stage, or slide platform. The slides will contain a thin slice of material through which the light can shine, to reveal the internal structure of the sample.
What is an instrument that allows light to pass through the specimen and uses two lens to from an image called?
The answer you are looking for is called a dissecting or stereo microscope. These provide a lower magnification range in comparison to compound microscopes and they use two sets of lenses, the eyepiece and the objective lenses. these then provide a 3D image.
Why do you cut a very thin slice of specimen to look under light microscope?
The light is reflected upwards, and passes through the specimen. It passes through easier (clearer) if the specimen is not too thick.
How are the substage condenser and iris diaphragm on a microscope different?
The iris diaphragm controls the amount of light passing through the slide or specimen, while the substage condenser focuses a cone of light on the slice or specimen.
A thin stained slice of tissue mounted on a microscope is called?
stains
What did Robert hooke do for science?
Robert Hooke experimented with the microscope and created different light sources. He named the pores in a slice of cork 'cells' and gained credit for discovering the building blocks of life.
What is the use of mirror to microscope?
A compound microscope can either have a light bulb or a mirror for illumination. If your microscope has a mirror, then you need sunlight or some other light source to point at the mirror to view your slide.The mirror is used to focus light up through the hole in the microscope's stage, or slide platform. The slides will contain a thin slice of material through which the light can shine, to reveal the internal structure of the sample.=========================================Mirrors on the exterior of microscopes are there to reflect ambient light (especially sunlight) under the slide being viewed to illuminate it. These are necessary for microscopes that don't have their own light sources.Mirrors in the interior of the microscope are there to redirect the optics and make the microscope more compact or to facilitate making the microscope binocular.
What did the thin slice of cork seem like to Robert hooke when he onserved it through a microscope?
it was like amazing to him
What device did Robert hooke use to investigate the first cells on earth?
a thin slice of cork and microscope
What makes a microscope work?
There are three types of basic microscopes: Electron Microscopes, Simple Light Microscopes, and Compound Light Microscopes. Simple [light] Microscopes work by focusing light through one lens. The most common lens, the Convex Lens, works by being thicker in the center than the edge. This bends the light, altering the image as it hits the second lens, your retina. A Compound [light] Microscope works differently. It is the most common microscope for everyday use, using a mirror to shine light up through a slide containing a specimin. Next, the ray of light shines up through a series of lenses, bending the light and multiplying the magnification and resolution levels of the image, until it hits your retina. Robert Hooke used a very complex compound microscope to observe cells through a thin slice of cork wood. The Electron Microscope is the most technologically advanced and, in my opinion, the coolest type yet. In fact, the electron microscope was so complex that it was not discovered until the late 1930's. It uses a beam of electrons instead of light to magnify an image. This allows you to get a much closer image with much higher resolution than with a regular light microscope. The most complex light microscope can only magnify an image up to 5000 times. An electron microscope can easily double that, a recently founded electron microscope can magnify an image up to 150,000 times. To work, this microscope actually borrows electrons from atoms, and as long as they return the electrons to the atoms, there is still perfect balance.
Rober hooke first observed cells by looking at a thin slice of cork under a microscope true or false?
True
