Question

microscope use:

1. when focusing a specimen, you should always start with the low - power objective.
2. when using the high power objective, only the ______ knob should be used.
3. the type of microscope used in most science classes is the ______ microscope.
4. you should carry the microscope by the ____ and the ____.

19 the objectives are attached to what part of the microscope (it can be rotated to click lenses into place?)
20 a microscope has an ocular objective of 10x and a high power objective of 50x, what is the microscopes total magnification? ______

Explanation:

1. Fine - adjustment. Used for high - power focus.
2. Compound. Common in science classes.
3. Arm; base. For safe carrying.
4. Nosepiece. Holds objectives.
5. Multiply ocular and objective: $10\times50 = 500$.

Answer:

1. Fine - adjustment
2. Compound
3. Arm; base
4. Nosepiece
5. 500