Which of the following is NOT used to adjust the intensity of light?   Question 1 options:   iris diaphragm   rheostat   base diaphragm   revolving nosepiece

Q: What is the purpose of the iris diaphragm? Select an answer. a. To provide light for illumination b.…

A: MICROSCOPE It is an instrument used to see objects that are too small to be seen by the naked eye.…

Q: Name one defect of vision which cannot be corrected by any type of spectacle lenses?

A: The eye is a complex organ that provides vision with the help of accessory organs (lacrimal…

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: numerator and denominator mean in the visual acuity chart

A: Visual Acuity Test It is a series of diagnostic techniques used in the examination of eyes, the…

Q: The most useful adjustment for increasing image contrast in lowpower magnification is a. closing…

A: The micro-organism is the organism that is too small to be seen with the naked eye. It is viewed by…

Q: 1 Repeat the above procedure on the high-power (40x) objective. When increasing magnification, what…

A: A microscope is used to study even the minute microscopic particles or organisms. The major parts of…

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: OIL EMERSION IS REQUIRED FOR which lens

A: Oil immersion is a technique which is used to increase the resolving power of a microscope. A light…

Q: Match the objective lenses with permissible behaviors: For some rows you’ll list more than 1…

A: Adjust focus using coarse adjustment knob- A.4X   Adjust focus using the fine adjustment knob-B.10x

Q: If we used the 365nm setting on the UV light box would this have caused more or less UV light…

A: Ultraviolet light cause health issue as it is associated with DNA damage and skin cancer. Sunlight…

Q: What are the light sources used in UV-vis spectrophotometry

A: Spectrophotometer is an instrument used for measuring the concentration of solutes in solution by…

Q: To alter the amount of light coming through the stage you should adjust the: iris diaphragm O coarse…

A: Effective illumination in a microscope is required for efficient magnification and resolving power.

Q: What is the relationship between the diopter number that show up on opthalmoscope when one is…

A: Scientific notations are used in writing medical reports including an eye check-up report that an…

Q: Microscope

A: Introduction Microscope an important laboratory to instrument which used See those Small objects…

Q: Why is a normal eye not able to see clearly the objects placed closer than 25 cm?

A: The eye lens is composed of fibrous, jelly-like material. To see closure and distant object, Its…

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: B. True-False Record these statements as True or False in the answer column. 1. Eyepieces are of…

A: Microscope: instrument designated to observe magnified images of targeted cells or tissue which are…

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: The minimum light required in operating theater is O 5000 lumen O 1000 lumen O 20000 lumen ) none of…

A: A surgical light, also known as an operating light or surgical lighthead, is a medical equipment…

Q: What is the relationship between the working distance of an objective lens and its magnification…

A: Microscope is an optical instrument that uses a lens or an arrangement of lenses to magnify an…

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: choose one of the vision problems that can be corrected by LASIK.

A: LASIK is a surgical process in which the surgeon modifies the tissue shape present in front of the…

Q: Key Term Matching 1. stage A. the eyepiece 2. stage adjustment knob B. concentrates the light into…

A: Microscopes provide a detailed view of the smallest components of life such as a cell and even…

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: Figure Q9–2 shows a diagram of the human eye. Therefractive indices of the components in the light…

A: The term refractive indices tells about the calculation of light ray bending when passes to another…

Q: Which letter on the figure below represents the light intensity control?

A: The above image is of a microscope.

Q: please help 1-3, fill chart Q1) Fill out the table below describing the magnifications of different…

A: The light microscope is used to visualised biological samples. For the visualisation of different…

Q: If a darkfield condenser causes all light rays to bypass the objective, where does the light come…

A: In bright-field microscopy, thin and transparent objects cannot be seen properly because of the…

Q: What is the diameter of the field of view (ie. Diameter2) when the total magnification is 100X?…

A: Field of View is the diameter of the circle of light visible through the microscopic lenses.

Q: Match the following steps with the order in which they should occur when using a stereomicroscope.…

A: Compound and stereo microscopy are the two most common types of microscopes. Stereo microscopes have…

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: Wesley is in a movie theater with no windows—the only light is low illumination from the emergency…

A: Photoreceptors are the cells that are sensitive to light. The organ that contains photoreceptors are…

Q: what will happen if an eyeglasses has: a. two converging lens (explain) b. two diverging lens…

A: Lenses are the devices that either helps to converse or diverse a beam of light by means of a…

Q: You should always put oil on the slide before you try to get it into focus at low magnification.…

A: Microscopy is the use of microscope to visualize microorganisms that cannot be seen by unaided eyes.…

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: What happens if you try to use the coarse adjustment when the 10X lens is in place? 2. Assuming the…

A: Microscope, an instrument that magnifies images of small specimens, enabling the spectator to have…

Q: Which light source will provide you with greater resolution than green light, blue or red light?…

A: The resolution is defined as the smallest distance between two molecules or substances that can be…

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: Cataracts, the medical condition where the lens of the eye becomes cloudy, are a leading cause of…

A: Cataract: a. Cataract is the leading cause of blindness in both developed and developing countries.…

Q: the TM when viewing the letter using 4X and 10X objective lens?

A: Magnification is that the method of enlarging the apparent size, not physical size, of one thing.…

Q: 2. Calculate the field of views using the given information: A. Low power objective = 4x; high power…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Photopic vision involves 1) Vision at night 2)Rods and cones working 3) poor illumination 4) all of…

A: Introduction  Vision refers to the ability to see. To see, the brain and the eyes work together. The…

Q: ________ disparity refers to the slightly different view of the world that each eye receives. A)…

A: To identify: To identify the correct option that refers to slightly different view of the world that…

Q: 2. Calculate the field of views using the given information:   A.Scanning power objective= 5x; low…

A: Meaning of field of view is how much the object or specimen we will be able to see through the…

Q: If you have a transparent or thin specimen, do you need to open or close the iris diaphragm? As…

A: Shutting the iris diaphragm will decrease the measure of enlightenment of the specimen yet expands…

Q: Can you use the fine adjustment knob so that you can focus on all three threads simultaneously when…

A: Any object has depth, length, and width, but a microscope can focus and provide only a…