Q. Obtaining contrast in electron microscopy is

View solution

Q. In scanning electron microscope method, image formed looks like an ordinary

View solution

Q. Contrast is emphasized by a technique in which heavy metal atoms are deposited on specimen to give appearance of

View solution

Q. Main use of scanning electron microscopy in fibre science has been in range of

View solution

Q. Technique in which an image is formed from a particular selected band of diffracted electrons is called as

View solution

Q. Tapping mode of atomic force microscopy gives

View solution

Q. Increased sensitivity in scanning electron microscopy has resulted in

View solution

Q. Electrons can only act if they are waves with a wavelength of order of

View solution

Q. Magnitude increase in voltage has enabled high voltage electron microscopes to be used with

View solution

Q. Electron microscope is used for specimens that are

View solution

Q. For enhancing contrast, use of staining is done with

View solution

Q. Dark field electron microscopy is used to show presence of crystalline regions appearing

View solution

Q. Fibers can also be examined using

View solution

Q. Example/s of use of atomic force microscopy by Maxwell is/are

View solution

Q. Nature of Tomograpgic reconstruction produced by tilting position of specimen is

View solution

Q. Advances done in electron microscopy include developments in

View solution

Q. Peeling off fibre to expose new external surface for replication gives

View solution

Q. Electrons can be focused by

View solution

Q. Deflection of cantilever in atomic force microscopy is measure of

View solution

Q. Resolution in scanning electron microscopy has been

View solution