The purpose of the ocular lens is to O increase the light. magnify the image from the objective lens. decrease the light. O improve resolution. O decrease the refractive index.
Q: Which of the following results in green output in spectrophotometry experiment? a. Violet light b.…
A: Spectrophotometry: it is used for quantitative analysis of spectra of various wavelengths to compare…
Q: In this image a stage micrometer and an ocular micrometer are aligned so that the 10 o.u. line…
A: Given: 10 o.u. aligns 100 um. 90 o.u. aligns 200 um. This basically means: 90-10 o.u. = 200-100 um…
Q: What is the function of the nosepiece? holds the eyepiece lens you look through source of light…
A: The nosepiece of the microscope is a rotating turret that houses the objective lenses. The viewer…
Q: why must you always clean the microscope lens with lens tissue and lens cleaner, and not with…
A: Once you have got blown the lens clean, gently wipe it exploitation lens paper. Lens paper may be a…
Q: What total magnification will be achieved if the 10× eyepiece and the 100× objective are…
A: The microscope is an instrument which used to view and observe tiny organism or an object that…
Q: Which part of the light microscope controls the intensity of light entering the viewing area…
A: Correct answer: Diaphragm
Q: It is desirable that the microscope objectives be parfocal because the specimen will be…
A: Microscopic organisms are small organisms that are not visible to the naked eye and can be seen only…
Q: Which objective lens provides the greatest field of view? a. high. b. 100X c. low d. This depends on…
A: * An objective lens determines the performance or function of optical microscope to provide an…
Q: Total Magnification of a microscope is 1. O 1. Product of Ocular Lens and objective lens…
A: A microscope is a scientific tool which is used to study items which are too small for the human eye…
Q: Why do we have to start with the lowest magnification to examine a new slide? a) If the light is too…
A: Microscope is an instrument used to see minute / microscope sample very clearly . It consists of two…
Q: Microscope
A: Introduction Microscope an important laboratory to instrument which used See those Small objects…
Q: How do you identify which objective lens are you using to view your sample?
A: microscope objectives feature a range of magnifications from 1.25x to 150x. This is the first…
Q: What is the primary difference between the method of focusing used by the eye and by a camera?…
A: Eye is a magnificent natural living organ that records the image whereas camera is also an…
Q: The least distance of distinct vision for an eye lens is caused by the action of the:(a) 25 m(b) 2.5…
A: Least distance of distinct vision is defined as the minimum distance of a object from eye to form…
Q: A. Microscopy Operating Procedure: Place the microscope close to the edge of the table. Select a…
A: The images contains the flow chart for part A of the procedure.
Q: Answer all the questions. 1. How do you calculate total magnification? 2. Which lens requires the…
A: Magnification is the enlargement of image produced by an object when light rays are passed through…
Q: What are the light sources used in UV-vis spectrophotometry.
A: In case of visible spectrophotometers, the wavelengths measured are in the visible light range…
Q: What is the total magnification of a specimen viewed with a 10x ocular lens and a 45x objective…
A: The correct ans is 450X. The total magnification of specimen viewed with a 10x ocular lens and 45x…
Q: ome spectrophotometers use wavelengths of light in the ultraviolet range. What are wavelengths of…
A: Spectrophotometer is an instrument that measures the amount of photons passing through them.
Q: If a microscope ocular lens has a power of 10x and the objective lens has a power of 20x then the…
A: Introduction: For imaging, optical microscopes combine ocular and objective lenses (eyepieces). The…
Q: If the total magnification is 2000X with the use of a 10X ocular lens, what is the magnification of…
A: Answer- 200X
Q: Why are stereomicroscopes often referred to as dissecting microscopes? Stereomicroscopes come…
A: The stereoscopic is an optical microscope variant designed for low magnification observation of a…
Q: If the specimen is appearing too dark, the light entering the __ can be adjusted by opening the…
A: A microscope is an instrument used to see objects that are too small to be seen by the naked eye.
Q: What is the rule for determining total magnification? A. Ocular lens magnification + objective lens…
A: Microscopy is a technique of incorporating microscopes to enlarge the size of objects (invisible to…
Q: A good way to increase the depth of focus on a slide is to: O Increase the magnification Decrease…
A: Microscope is an instrument used to view the small size objects because it magnify the image.
Q: What happens to your image if you try to magnify it using 40x or 100x?
A: The microscope is the instrument used for magnifying or the enlargement of the object to be…
Q: Very short pulses of high-intensity laserbeams are used to repair detached portions of the retina of…
A: The retina is referred to as the thin layer of connective tissue that is present in the eye near the…
Q: The function of the diaphragm is to O connect the eyepiect to the objectives O let in more or less…
A: The diaphragm controls the amount of light reaching the specimen. It is located above the condenser…
Q: The pupil of a person's eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is…
A: During dim light, the size of the pupil expands so that more light enters our eye and it helps to…
Q: ? which device is used for refraction A direct ophthalmoscope .B retinoscope .C slitlamp .D…
A: According to the question, we have to find out which of the following device is used for refraction.…
Q: on 4 The cuvette used for UV range in spectrophotometer is: red d out of a. All of the above b.…
A: Introduction: The method used for the quantification and characterization of colorless substances is…
Q: The field of view (FOV) is the entire circular image we see when looking into the eyepiece. The…
A: Microscope is an optical instrument which has major application in visualizing very small to…
Q: During observation under the microscope, the number of optical planes that are in focus…
A: Light microscope is a microscopic instrument which uses visible light and magnifying lens to to view…
Q: regarding the slit lamp .A it uses diffuse illumination only .B
A: A slit lamp is kind of instrument that consist a high-intensity light source that can be focused to…
Q: What do you think would happen if you tried to view a slide using the oil immersion lens but forgot…
A: Q. What do you think would happen if you tried to view a slide using the oil immersion lens but…
Q: Adjusting the objective aperture is an important step to obtain phase contrast in TEM. Compare the…
A: The "objective aperture" is used for accepting a transmitted wave or one of diffracted waves to…
Q: Light microscopy enhances and amplifies the refractive index O True O False
A: Advantages : Light microscopes have high magnification. Electron microscopic lens are useful in…
Q: The part of the microscope that controls the amount of light that passes through the specimen is the…
A: The microscope is one of the most important inventions in the field of science. It is extremely…
Q: The human eye is much like a camera—yet, when a camerashutter is left open and the camera is moved,…
A: All of the light entering into the lens of the camera while shutter is open contributes to a single…
Q: Question 4 What are the magnification abilities of each of the objective lenses? Scanning ( small…
A: Magnification abilities of each objective lens:
Q: What was needed after you use the 100 x lens? O use Chemwipe to clean the lens O use water to clean…
A: We use oil while using a 100X lens to reduce refraction.
Q: Why must the angle of astigmatism be determined before the corrective power of the lenses ? the…
A:
Q: Which of the following terms describe how fast light travels through th medium? O All are correct…
A: Ans. Refractive index The bending of a ray of light as it passes through one medium and through…
Q: METHOD FOR OBJECTIVE EVALUATION OF NATURAL LIGHT 1. the angle of incidence 2. the opening angle 3.…
A: Natural Light: Sunlight is a subset of the Sun's electromagnetic energy, which includes infrared,…
Q: What part of the microscope is used to make large adjustments to the height of the stage? O coarse…
A: Microscope is as instrument used to see the smaller objects. It is responsible for magnifying the…
Q: (2) It will be harder to find a specimen on a slide starting with 40x objective lens compared to 4x…
A: Introduction A microscope is a scientific tool that is used to study items that are too small for…
Q: mmersion oil is necessary when using the 100» ompound light microscope O otherwise the image will be…
A: A laboratory instrument used to examine the microscopic organism is known as the microscope. In…
Q: 10. Why is oil used under the oil immersion lens instead of water? (1 Point) O oil is thicker than…
A: A microscope can be referred to as a magnifying object playing a crucial role in providing medium to…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- what happens when you change the objective lenseThe coarse and fine focus knobs adjust the distance betweena. the objective and ocular lenses.b. the ocular lenses.c. the ocular lenses and your eyes.d. the stage and the condenser lens.e. the stage and the objective lens.f I use the 10x eyepiece and the 40x objective, what is the magnification? Select one: 4 diameters 40 diameters 4000 diameters 400 diameters
- How can you improve contrast when viewing a specimen?. What should you do if you have difficulty focusing in high power?. Why is important to use the fine adjustment nob only when focusing while using the high dry objective lens?All other things being equal, the objective lens with the highest value for numerical aperture (N.A.) will always have the lowest______? A. Field Of View B. Magnification C. Image Quality D. Limit Of Resolutionwhat happens to the field of view as magnification is increased useing shccdssively higher power objective lens
- The lens closest to the specimen is called the______________.Total Magnification is obtained by Select one: A. Magnifying power of both the objective lens and eyepiece B. Magnifying power of eyepiece C. Magnifying power of condenser lens D. Magnifying power of the objective lensThe total magnification achieved when using a 100× oil immersion lens with 10× binocular eyepieces is a. 10×. b. 100×. c. 200×. d. 1000×. e. 2000×.
- To obtain a 400X magnification image you may choose a 40X objective lens with a 10X projector lens, or a 20X objective lens with a 20X projector lens. What are the differences in their image quality?Why must the angle of astigmatism be determined before the corrective power of the lenses ? the corrective power is determined first , it will be difficult to determine which are blurry the corrective power is determined first , will look blurry If the corrective power is determined first , all lines will look clear .Which of the following is not required for a UV-vis absorption spectrophotometer? Group of answer choices camera detector monochromator light source