Basic Science : Tools Techniques QUESTIONS AND ANSWERS :: part1 : 11 to 15
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
11.Scanning electron microscope is important for its images which are |
| Very large and sharp |
| Three-dimensional |
| Fluorescent |
| Two-dimensional |
12.Which is a pre-requisite for electron microscope |
| Vacuum |
| Living material |
| Source of light |
| Reflector |
13.In electron microscope, the lenses are |
| Electric |
| Photoelectric |
| Electromagnetic |
| Quartz |
14.In which microscope direct observation is not possible |
| Compound microscope |
| Dark field microscope |
| Phase contrast microscope |
| Ultraviolet microscope |
15.Lenses used in ultraviolet microscope are |
| Glass lenses |
| Quartz fluorite |
| Lithium fluoride |
| Both B and C |
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