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| Q. |
Which among the following helps us in getting a three-dimensional picture of the specimen? |
| A. | transmission electron microscope |
| B. | scanning electron microscope |
| C. | compound microscope |
| D. | simple microscope |
| Answer» B. scanning electron microscope | |
| Explanation: the scanning electron microscope lacks the resolving power obtainable with the transmission electron microscope but has the advantage of revealing a striking three-dimensional picture. the surface topography of a specimen can be revealed with clarity and depth of field not possible by any other method. | |
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