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Once you have turned on the light source for the compound microscope you can adjust the amount of light seen through the oculars by adjusting the ___________.
a. iris diaphragm
b. condenser
c. focus knob
d. objective lens

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Answer:

Once you have turned on the light source for the compound microscope you can adjust the amount of light seen through the oculars by adjusting the iris diaphragm. Iris diaphragm is used for adjusting the resolution and image contrast by controlling the amount of light. You can tune the light rays by the lever of iris diaphragm.

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Once you have turned on the light source for the compound microscope you can adjust the amount of light seen through the oculars by adjusting the iris diaphragm.

The correct option is (a) iris diaphragm.

Compound microscope

  • A compound microscope is a high-magnification (high-power) microscope with a compound lens system.

  • This microscope has multiple lenses, to see high magnifying things we use multiple lenses.

  • The microscope is used to see very small samples that can't be seen through eyes.

Thus, to adjust light of the microscope, we adjust the iris diaphragm (a).

Learn more about compound microscope, here:

https://brainly.com/question/1560613

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