Answer Happy

EXE bo 283 - in ch of 11 10 8 Brightfield Microscopy coed B. Matching Questions Motch the lens to its description Choices may be used more than once A Condenser B. High-dry objective C. Low-power objective D. Ocular E. Oil immersion objective 1. This objective lens provides the highest magnification E 2. This objective lens provides the second-highest magnification B 3. This objective lens provides the lowest magnification 4. This objective lens has the shortest working distance. E 5. The course focus knob should be adjusted only when using this objective lens. C 6. This lens collects and focuses light from the light source onto the specimen on the slide. A 7. This lens, also known as the eyepiece, often comes in pairs. 8. Diopter adjustments can be made to this lens) 9. A diaphragm is used to regulate light passing through this lens. D A C. True-False Evoluate each statement and write T for true and F for false 1. Only lint-free, optically safe tissue should be used to wipe off microscope lenses- 2. The total magnification capability of a light microscope is only limited by the magnifying power of the lens system. F 3. The course focus knob can be used to adjust the focus when using any of the objective lenses. F 4. Once focus is achieved at one magnification, a higher-power objective lens can be rotated into position with out fear of striking the slide. T D. Multiple Choice Select the answer that best completes the following statements 1. The resolving power of a microscope is a function of a. the magnifying power of the lenses. b. the numerical aperture of the lenses. c. the wavelength of light. Both (a) and (b) are correct. Both (b) and (c) are correct. 2. The course and fine focus knobs adjust the distance between a. the objective and ocular lenses. b. the ocular lenses. c. the ocular lenses and your eyes. d. the stage and the condenser lens. the stage and the objective lens.