Aug 31, 2020 — The parent linear function is f(x) = x. This graph has a slope of 1 and intercept (0, 0). A vertical translation means it is shifted up or down.

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Function of ocular on microscopepdf

The optical parts of the microscope are used to view, magnify, and produce an image from a specimen placed on a slide. These parts include:

Function ofstage inmicroscope

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Connects the Ocular Lens to the Objective Lenses and provides alignment to direct the light from the specimen into the viewer's eye. Image: Body Tube.

Microscopes are made up of lenses for magnification, each with its own magnification powers. Depending on the type of lens, it will magnify the specimen according to its focal strength.

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Ans. The magnification of a lens is defined as the ratio of the height of an image to the height of an object. Microscope magnification measures the total enlargement of the image of an object. Magnification power is the product of eyepiece lens power and objective lens power.

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What happens with a concave lens? The parallel ray goes from the tip of the object horizontally to the lens. It refracts through the lens and diverges away from the principal axis going directly away from the focal point on the object side of the lens. The chief ray is a straight line starting from the tip of the object and passing through the center of the lens. As long as the lens is thin we can assume the ray passes straight through. The focal ray leaves the tip of the object heading toward the focal point on the far side of the lens. It is re-directed by the lens to go parallel to the principal axis. Moving an object from infinity toward a concave lens gives an image that moves from the focal point toward the lens, growing from a point to almost as large as the object. The image is virtual, upright, and smaller than the object.

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The table shows what happens to the image as an object is brought from infinity toward a convex lens. Object PositionImage PositionImage Characteristics At infinityAt focal pointImage is a point Moving toward 2FMoving from F toward 2FIncreasing in size, real, inverted, smaller than object At 2FAt 2FReal, inverted, same size as object Moving from 2F toward FMoving from 2F toward infinityReal, inverted, larger than the object At FAt infinityInfinitely big Moving from F toward lensMoving from -infinity toward lensDecreasing in size, virtual, upright, larger than the object As long as the image as real the ray diagram is reversible. An object at point A creates an image at point B, while an object at point B creates an image at point A. Ray Diagram for a Concave Lens What happens with a concave lens? The parallel ray goes from the tip of the object horizontally to the lens. It refracts through the lens and diverges away from the principal axis going directly away from the focal point on the object side of the lens. The chief ray is a straight line starting from the tip of the object and passing through the center of the lens. As long as the lens is thin we can assume the ray passes straight through. The focal ray leaves the tip of the object heading toward the focal point on the far side of the lens. It is re-directed by the lens to go parallel to the principal axis. Moving an object from infinity toward a concave lens gives an image that moves from the focal point toward the lens, growing from a point to almost as large as the object. The image is virtual, upright, and smaller than the object.

There are different types of microscopes like light microscope, dark-field microscope, phase contrast microscope, electron microscope, fluorescent microscope, etc.

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Moving an object from infinity toward a concave lens gives an image that moves from the focal point toward the lens, growing from a point to almost as large as the object. The image is virtual, upright, and smaller than the object.

Function ofarm inmicroscope

So, different colors are bent by different amounts. So, in a prism, light goes through two surfaces, which are not parallel and as a result, every color exiting ...

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Ans. Condensers are lenses that are used to collect and focus light from the illuminator into the specimen. They are found under the stage next to the diaphragm of the microscope. They play a major role in ensuring clear sharp images are produced with a high magnification of 400X and above. Abbe condenser is a condenser specially designed for high-quality microscopes, which makes the condenser to be movable and allows very high magnification of above 400X. High-quality microscopes normally have a high numerical aperture than objective lenses.

Their ability to function is because they have been constructed with special components that enable them to achieve high magnification levels. They can view very small specimens and distinguish their structural differences, for example, the view of animal and plant cells viewing microscopic bacterial cells.

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Condensermicroscope function

Converging lens: Concave Mirror: Diverging lens: Convex Mirror: Ray Diagram for a Convex Lens Once again, a ray diagram can help us understand what a lens does. Send rays out from the object, refract them through the lens, and see where they go. The image is where the rays intersect. Rays that are easy to draw include: The parallel ray goes from the tip of the object horizontally to the lens. It refracts through the lens and passes through the focal point on the far side of the lens. The chief ray is a straight line starting from the tip of the object and passing through the center of the lens. As long as the lens is thin we can assume the ray passes straight through. The focal ray is a mirror image of the parallel ray. It goes from the tip of the object through the focal point on the object side of the lens, and emerges from the lens going parallel to the principal axis. Image Characteristics for a Convex Lens The table shows what happens to the image as an object is brought from infinity toward a convex lens. Object PositionImage PositionImage Characteristics At infinityAt focal pointImage is a point Moving toward 2FMoving from F toward 2FIncreasing in size, real, inverted, smaller than object At 2FAt 2FReal, inverted, same size as object Moving from 2F toward FMoving from 2F toward infinityReal, inverted, larger than the object At FAt infinityInfinitely big Moving from F toward lensMoving from -infinity toward lensDecreasing in size, virtual, upright, larger than the object As long as the image as real the ray diagram is reversible. An object at point A creates an image at point B, while an object at point B creates an image at point A. Ray Diagram for a Concave Lens What happens with a concave lens? The parallel ray goes from the tip of the object horizontally to the lens. It refracts through the lens and diverges away from the principal axis going directly away from the focal point on the object side of the lens. The chief ray is a straight line starting from the tip of the object and passing through the center of the lens. As long as the lens is thin we can assume the ray passes straight through. The focal ray leaves the tip of the object heading toward the focal point on the far side of the lens. It is re-directed by the lens to go parallel to the principal axis. Moving an object from infinity toward a concave lens gives an image that moves from the focal point toward the lens, growing from a point to almost as large as the object. The image is virtual, upright, and smaller than the object.

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Any lens that is thicker in the center than the ends is a convex lens. Any lens thicker at the ends than in the center is a concave lens. Similarities between lenses and mirrors The equations we used for mirrors all work for lenses. A convex lens acts a lot like a concave mirror. Both converge parallel rays to a focal point, have positive focal lengths, and form images with similar characteristics. A concave lens acts a lot like a convex mirror. Both diverge parallel rays away from a focal point, have negative focal lengths, and form only virtual, smaller images. The sign convention is just a little different. Because the light goes through the lens positive image distances (and real images) are on the opposite side of the lens from the object. Negative image distances are for virtual images, again, but those are on the same side of the lens as the object. Converging lens: Concave Mirror: Diverging lens: Convex Mirror: Ray Diagram for a Convex Lens Once again, a ray diagram can help us understand what a lens does. Send rays out from the object, refract them through the lens, and see where they go. The image is where the rays intersect. Rays that are easy to draw include: The parallel ray goes from the tip of the object horizontally to the lens. It refracts through the lens and passes through the focal point on the far side of the lens. The chief ray is a straight line starting from the tip of the object and passing through the center of the lens. As long as the lens is thin we can assume the ray passes straight through. The focal ray is a mirror image of the parallel ray. It goes from the tip of the object through the focal point on the object side of the lens, and emerges from the lens going parallel to the principal axis. Image Characteristics for a Convex Lens The table shows what happens to the image as an object is brought from infinity toward a convex lens. Object PositionImage PositionImage Characteristics At infinityAt focal pointImage is a point Moving toward 2FMoving from F toward 2FIncreasing in size, real, inverted, smaller than object At 2FAt 2FReal, inverted, same size as object Moving from 2F toward FMoving from 2F toward infinityReal, inverted, larger than the object At FAt infinityInfinitely big Moving from F toward lensMoving from -infinity toward lensDecreasing in size, virtual, upright, larger than the object As long as the image as real the ray diagram is reversible. An object at point A creates an image at point B, while an object at point B creates an image at point A. Ray Diagram for a Concave Lens What happens with a concave lens? The parallel ray goes from the tip of the object horizontally to the lens. It refracts through the lens and diverges away from the principal axis going directly away from the focal point on the object side of the lens. The chief ray is a straight line starting from the tip of the object and passing through the center of the lens. As long as the lens is thin we can assume the ray passes straight through. The focal ray leaves the tip of the object heading toward the focal point on the far side of the lens. It is re-directed by the lens to go parallel to the principal axis. Moving an object from infinity toward a concave lens gives an image that moves from the focal point toward the lens, growing from a point to almost as large as the object. The image is virtual, upright, and smaller than the object.

Microscopes are instruments that are used in science laboratories to visualize very minute objects, such as cells and microorganisms, giving a contrasting image that is magnified.

Function of ocular on microscopequizlet

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Microscopes are generally made up of structural parts for holding and supporting the microscope and its components and the optical parts that are used for magnification and viewing of the specimen images. Modern microscopes have additional electronics and display devices. This description defines the parts of a microscope and the functions they perform to enable the visualization of specimens.

Function ofnosepiece inmicroscope

1. Illuminator (Light Source)2. Diaphragm (Iris)3. Condenser4. Condenser Focus Knob5. Rack Stop6. Stage7. Stage Control Knobs8. Nose Piece9. Objective Lens10. Tube (Head)11. Eyepiece (Ocular Lens)12. Diopter Adjustment13. Adjustment Knobs (Fine Adjustment Knob and Coarse Adjustment Knob)14. Arm15. Base16. Light Switch17. Brightness Adjustment

Ans. The eyepiece, also known as the ocular is the part used to look through the microscope. Its found at the top of the microscope. Its standard magnification is 10x with an optional eyepiece having magnifications from 5X – 30X. Objective Lens are the major lenses used for specimen visualization. They have a magnification power of 40x-100x. There are about 1- 4 objective lenses placed on one microscope, in that some are rare facing and others face forward.

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Microscopeparts and functions

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Ans. A microscope is an optical instrument with one or more lens systems that are used to get a clear, magnified image of minute objects or structures that can’t be viewed by the naked eye.

1. Ocular Lens (Eye Piece)2. Diopter Adjustment3. Head4. Nose Piece5. Objective Lens6. Arm (Carrying Handle)7. Mechanical Stage8. Stage Clip9. Aperture10. Diaphragm11. Condenser12. Coarse Adjustment13. Fine Adjustment14. Illuminator (Light Source)15. Stage Controls16. Base17. Brightness Adjustment18. Light Switch

The sign convention is just a little different. Because the light goes through the lens positive image distances (and real images) are on the opposite side of the lens from the object. Negative image distances are for virtual images, again, but those are on the same side of the lens as the object. Converging lens: Concave Mirror: Diverging lens: Convex Mirror: Ray Diagram for a Convex Lens Once again, a ray diagram can help us understand what a lens does. Send rays out from the object, refract them through the lens, and see where they go. The image is where the rays intersect. Rays that are easy to draw include: The parallel ray goes from the tip of the object horizontally to the lens. It refracts through the lens and passes through the focal point on the far side of the lens. The chief ray is a straight line starting from the tip of the object and passing through the center of the lens. As long as the lens is thin we can assume the ray passes straight through. The focal ray is a mirror image of the parallel ray. It goes from the tip of the object through the focal point on the object side of the lens, and emerges from the lens going parallel to the principal axis. Image Characteristics for a Convex Lens The table shows what happens to the image as an object is brought from infinity toward a convex lens. Object PositionImage PositionImage Characteristics At infinityAt focal pointImage is a point Moving toward 2FMoving from F toward 2FIncreasing in size, real, inverted, smaller than object At 2FAt 2FReal, inverted, same size as object Moving from 2F toward FMoving from 2F toward infinityReal, inverted, larger than the object At FAt infinityInfinitely big Moving from F toward lensMoving from -infinity toward lensDecreasing in size, virtual, upright, larger than the object As long as the image as real the ray diagram is reversible. An object at point A creates an image at point B, while an object at point B creates an image at point A. Ray Diagram for a Concave Lens What happens with a concave lens? The parallel ray goes from the tip of the object horizontally to the lens. It refracts through the lens and diverges away from the principal axis going directly away from the focal point on the object side of the lens. The chief ray is a straight line starting from the tip of the object and passing through the center of the lens. As long as the lens is thin we can assume the ray passes straight through. The focal ray leaves the tip of the object heading toward the focal point on the far side of the lens. It is re-directed by the lens to go parallel to the principal axis. Moving an object from infinity toward a concave lens gives an image that moves from the focal point toward the lens, growing from a point to almost as large as the object. The image is virtual, upright, and smaller than the object.

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Ans. The coarse adjustment knob moves the stage up and down to bring the specimen into focus. The fine adjustment knob brings the specimen into sharp focus under low power and is used for all focusing when using high-power lenses.

The light is then focused on the eyepiece lens. This lens further magnifies the pre-magnified image coming from the objectives.

A beam of light is passed through the condenser to the specimen. The light transmitted from the specimen enters the objective lens. While passing through the objectives, the transmitted rays are spread so that they appear to come from the bigger objects.

Having been constructed in the 16th Century, microscopes have revolutionized science with their ability to magnify small objects such as microbial cells, producing images with definitive structures that are identifiable and characterizable.

Function ofbody tube inmicroscope

Rays that are easy to draw include: The parallel ray goes from the tip of the object horizontally to the lens. It refracts through the lens and passes through the focal point on the far side of the lens. The chief ray is a straight line starting from the tip of the object and passing through the center of the lens. As long as the lens is thin we can assume the ray passes straight through. The focal ray is a mirror image of the parallel ray. It goes from the tip of the object through the focal point on the object side of the lens, and emerges from the lens going parallel to the principal axis. Image Characteristics for a Convex Lens The table shows what happens to the image as an object is brought from infinity toward a convex lens. Object PositionImage PositionImage Characteristics At infinityAt focal pointImage is a point Moving toward 2FMoving from F toward 2FIncreasing in size, real, inverted, smaller than object At 2FAt 2FReal, inverted, same size as object Moving from 2F toward FMoving from 2F toward infinityReal, inverted, larger than the object At FAt infinityInfinitely big Moving from F toward lensMoving from -infinity toward lensDecreasing in size, virtual, upright, larger than the object As long as the image as real the ray diagram is reversible. An object at point A creates an image at point B, while an object at point B creates an image at point A. Ray Diagram for a Concave Lens What happens with a concave lens? The parallel ray goes from the tip of the object horizontally to the lens. It refracts through the lens and diverges away from the principal axis going directly away from the focal point on the object side of the lens. The chief ray is a straight line starting from the tip of the object and passing through the center of the lens. As long as the lens is thin we can assume the ray passes straight through. The focal ray leaves the tip of the object heading toward the focal point on the far side of the lens. It is re-directed by the lens to go parallel to the principal axis. Moving an object from infinity toward a concave lens gives an image that moves from the focal point toward the lens, growing from a point to almost as large as the object. The image is virtual, upright, and smaller than the object.

Ans. Rack stop is included in the microscope for preventing the specimen slide from coming too far up and hitting the objective lens.

1. which objective lens focuses closest to object 2. what controls the light entering the binocular lenses 3. how can you enhance the resolving power of a microscope 4. what is useful and false magnification PLEASE CAN YOU HELP ME IN ASWERING THOSE QUESTIONS

As long as the image as real the ray diagram is reversible. An object at point A creates an image at point B, while an object at point B creates an image at point A. Ray Diagram for a Concave Lens What happens with a concave lens? The parallel ray goes from the tip of the object horizontally to the lens. It refracts through the lens and diverges away from the principal axis going directly away from the focal point on the object side of the lens. The chief ray is a straight line starting from the tip of the object and passing through the center of the lens. As long as the lens is thin we can assume the ray passes straight through. The focal ray leaves the tip of the object heading toward the focal point on the far side of the lens. It is re-directed by the lens to go parallel to the principal axis. Moving an object from infinity toward a concave lens gives an image that moves from the focal point toward the lens, growing from a point to almost as large as the object. The image is virtual, upright, and smaller than the object.

Once again, a ray diagram can help us understand what a lens does. Send rays out from the object, refract them through the lens, and see where they go. The image is where the rays intersect. Rays that are easy to draw include: The parallel ray goes from the tip of the object horizontally to the lens. It refracts through the lens and passes through the focal point on the far side of the lens. The chief ray is a straight line starting from the tip of the object and passing through the center of the lens. As long as the lens is thin we can assume the ray passes straight through. The focal ray is a mirror image of the parallel ray. It goes from the tip of the object through the focal point on the object side of the lens, and emerges from the lens going parallel to the principal axis. Image Characteristics for a Convex Lens The table shows what happens to the image as an object is brought from infinity toward a convex lens. Object PositionImage PositionImage Characteristics At infinityAt focal pointImage is a point Moving toward 2FMoving from F toward 2FIncreasing in size, real, inverted, smaller than object At 2FAt 2FReal, inverted, same size as object Moving from 2F toward FMoving from 2F toward infinityReal, inverted, larger than the object At FAt infinityInfinitely big Moving from F toward lensMoving from -infinity toward lensDecreasing in size, virtual, upright, larger than the object As long as the image as real the ray diagram is reversible. An object at point A creates an image at point B, while an object at point B creates an image at point A. Ray Diagram for a Concave Lens What happens with a concave lens? The parallel ray goes from the tip of the object horizontally to the lens. It refracts through the lens and diverges away from the principal axis going directly away from the focal point on the object side of the lens. The chief ray is a straight line starting from the tip of the object and passing through the center of the lens. As long as the lens is thin we can assume the ray passes straight through. The focal ray leaves the tip of the object heading toward the focal point on the far side of the lens. It is re-directed by the lens to go parallel to the principal axis. Moving an object from infinity toward a concave lens gives an image that moves from the focal point toward the lens, growing from a point to almost as large as the object. The image is virtual, upright, and smaller than the object.