Microscope Basics & Concentration - Video Notes Review

Flashcards covering microscope parts, handling, focusing procedures, and basic concentration calculations from the video notes.

Which part of a compound microscope is a rotating turret that houses the objectives?

Nose piece

Which part is considered one of the most important parts of a compound microscope?

Objective lenses

What is the power magnification commonly found in an eyepiece (ocular lens)?

10x

What is the percent w/w concentration of a solution that contains 5 g sucrose in 90 g water?

Approximately 5.26% (about 5%)

In a solution of 25 g solute in 80 g solvent, what are the approximate percent by mass of solute and solvent?

Solute ≈ 23.8%; Solvent ≈ 76.2%

What is the flat platform on which the slide rests called?

Stage

What part connects the eyepiece to the objective lenses?

Body tube

Which component holds the slide in place on the stage?

Stage clips

Which adjustment brings the specimen into general focus on a light microscope?

Coarse adjustment knob

What is the correct way to carry a microscope?

Hold the arm with one hand and support the base with the other hand

What is the function of the eyepiece (ocular) in a microscope?

Magnifies the image for viewing (usually 10x).

What is the function of the diaphragm in a microscope?

Controls the amount of light entering the specimen

What is the function of the mirror in a simple light microscope?

Reflects light from the illuminator to illuminate the specimen

Complete the sentence: Place the compound microscope on a surface near a light source.

flat

Complete the sentence: Adjust brightness by turning the and iris diaphragm.

mirror

When finished viewing, you should lower the stage to the position and remove the slide.

low power objective

What should you do to become familiar with all the parts of the microscope to move between parts easily?

Familiarize