bio ~Microscope ~fast !!!

2012-09-27 5:54 am
1.Why should the specimen on the microscope slide be placed above the caetral opeaning of the stage ?
2.Why should one never use the coarse adjustment to focus downwards when you are looking down the microscope ?
3.What is the magnifing power of a compund microscope with a 5X eyepiece and 40X objective?

回答 (1)

2012-09-27 6:19 am
✔ 最佳答案
1) It ensures the light to pass through the specimen and enter the eyepiece for ob servation

2)It may hit the stage and cause damage to the objectives

3) Magnifying power=5x40=200X
參考: me


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