Adjusting the objective aperture is an important step to obtain phase contrast in TEM. Compare the differences in objective aperture operation between diffraction contrast and phase contrast.

Q: What are the processes of concentrate samples analysis in Uv-visible spectroscopy?

A: UV-visible spectroscopy is a fast and simple technique that finds the analyte concentration of a…

Q: If a stain cannot be removed from an objective using a lens-cleaning paper, what further measure can…

A: When an objective or other component is left exposed on a bench for even a brief time, such…

Q: Draw and label FIVE (5) main components for UV-Vis spectrophotometry. Briefly explain the function…

A: When Lab scientists have to be measured total protein by UV-spectroscopy some important things…

Q: What is the diameter of the scanning field of view in millimeters? ___________

A: The microscope is an instrument which used to view and observe tiny organism or an object that…

Q: Why is a blank used in the spectrophotometer before the actual pigment is tested?

A: spectrophotometer is a device used in spectral analytical techniques like UV spectroscopy , in which…

Q: D) When performing fluorescence microscopy what are the stokes shift and why is it better  to have…

A: Answer: Fluorescence Microscopy  In fluorescent microscopy , the specimen we use is either…

Q: 1. What total magnification will be achieved if the 10× eyepiece and the 10× objective are…

A: A microscope is an instrument that makes an enlarged image of a small object. There are different…

Q: Between wet mount and hanging drop slide preparations, which is more resistant to evaporation? Which…

A: Bacteria are member of a large group of unicellular microorganisms. It has cell walls but lacks…

Q: Match the lens (condenser, high-dry, low-power, ocular, or oil immersion) to its description.Diopter…

A: The lens in the microscope provides the primary magnification of the objects. There are several…

Q: How can you improve contrast when viewing a specimen?. What should you do if you have difficulty…

A: Step 1 Microscope (Greek. mikros− small, skipein− to see) is an instrument that is used for…

Q: Degree of clarity is known as contrast magnification resolution O wavelength

A: A microscope is a laboratory instrument used to examine objects that are too small to be seen by the…

Q: These cells are being viewed under high power.  Use the length of just one cell to estimate the…

A: Field of view or FOV is said to be the area which could be observed by the microscope. Measurement…

Q: Why is it necessary to use the fine adjustment knob with higher magnification?

A: Microscopy is an analytical technique used in all fields of life science. It is used to magnify and…

Q: Discuss the types of interferences in atomic absorption spectrophotometry.

A: Discuss the types of interferences in atomic absorption spectrophotometry. Introduction:  Spectral…