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| Q. |
Where do we obtain the magnified image of the specimen in SEM? |
| A. | cathode ray tube |
| B. | phosphorescent screen |
| C. | anode |
| D. | scanning generator |
| Answer» A. cathode ray tube | |
| Explanation: in tem, the image is obtained on a phosphorescent screen but in sem the magnified image of the surface topography of the specimen is obtained on the cathode ray tube. the electronic signals generated scan the specimen in a raster pattern in the manner of a television system to produce an image on a cathode ray tube. | |
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