Unformatted text preview: Bacillus cereus ). The smear was much easier to observe at different magnifications because the cells did not move around as the wet slide cells did. As a result, on the wet slides, I am not sure that the same object was observed at the different magnifications. Overall this lab was very beneficial to learn the basic use of the microscope and to observe different cell types and this experience will be very valuable in the future. Therefore, I believe that all aspects of the purpose of this lab were met. Assigned Questions Q3) The immersion oil serves to focus more of the light from the specimen through the objective lens so that the specimen can be seen in better detail. Water would not be a very good substitute because its refractive index is not close to that of glass (1.52), as is the case of the immersion oil....
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- Spring '08
- Microbiology, Telescope, different magnifications, Pratibha Saxena