Match the step in focusing with the microscope with the number that corresponds
ID: 148752 • Letter: M
Question
Match the step in focusing with the microscope with the number that corresponds to its correct location in the sequence of steps for focusing the microscope A Switch to the 40x objective lens Clean up-throw slide in glass disposal box Switch to the 10x objective lens. Use the course adjustment knob to bring the picture back in focus 4 D Plug in microscope and fip the on switch E. Put the 4x objective lens in place (above the slide). - Raise the stage all the way up, using the course adjustment knob Add a drop of Oil to the slide, right on top of your sample 10 . While looking through the ocular lenses, slowly lower the stage using the course adjustment knob, until the view comes into focus (it will look like a fuzzy TV just before it is in focus) 12 13 14 15 1. Once the oil has been added you can push the 100x lens fully into place ONCE THE 100x IS IN PLACE YOU MAY NOT GO BACKWARDS TO THE 40X LENS Using the FINE adjustment knob, slowly adjust until the picture is in focus again K. Fine adjust until the sample comes into focus STOP USING THE COURSE ADJUSTMENT KNOB M. wipe the objective lenses with a LENS WIPE N. Move the 100x objective lens HALF way into place, the 40x and 100x should be straddling the sample and light O Place slide on the stage, with the arm clip holding it in placeExplanation / Answer
1. (D) Plug in microscope and flip the on switch.
2. (O) Place slide on the stage, with the arm clip holding it in place.
3. (E) Put the 4X objective lens in place (above the slide).
4. (F) Raise the stage all the way up, using the course adjustment knob.
5. (H) While looking through the ocular lenses, slowly lower the stage using the course adjustment knob, until the view comes into focus (it will look like a fuzzy TV just before it is in focus).
6. (L) Stop using the course adjustment knob.
7. (A) Switch to the 40X objective lens.
8. (K) Fine adjust until the sample comes into focus
9. (G) Add a drop of oil to the slide, right on top of your sample.
10. (I) Once the oil has been added you can push the 100X lens fully into place. Once the 100X is in place, you may not go backwards to the 40X lens.
11. (J) Using the FINE adjustment knob, slowly adjust until the picture is in focus again.
12. (N) Move the 100X objective lens half way into place, the 40X and 100X should be straddling the sample and light.
13. (M) Wipe the objective lenses with a lens wipe.
14. (C) Switch to the 10X objective lens. Use the course adjustment knob to bring the picture back in focus.
15. (B) Clean up-throw slide in glass disposal box.