Microscopes

Front

What is the eyepiece in a microscope?

Back

The eyepiece is the lens you look through to see the specimen, typically providing 10x magnification.

Front

What should you always start with when focusing on a new specimen?

Back

You should always start with low power and coarse adjustment.

Front

What does 'field of view' mean in microscopy?

Back

Field of view refers to the amount of the specimen that is visible through the microscope.

Front

How do you calculate the actual size of a specimen using a microscope?

Back

Step 1: Calculate magnification by measuring the scale bar image ÷ actual size. Step 2: Measure the image of the specimen ÷ magnification.

Front

What is total magnification if the eyepiece is 10x and the objective lens is 20x?

Back

Total magnification is 200x (10x eyepiece x 20x objective).

Front

What is the function of the coarse adjustment knob?

Back

The coarse adjustment knob is used to bring the specimen into general focus.

Front

What is the function of the fine adjustment knob?

Back

The fine adjustment knob is used for precise focusing of the specimen.

Front

What is the purpose of the stage in a microscope?

Back

The stage is the platform where the slide with the specimen is placed for viewing.

Front

What is the role of the objective lens in a microscope?

Back

The objective lens is responsible for magnifying the specimen and is available in different powers.

Front

What is the difference between low power and high power objectives?

Back

Low power objectives provide a wider field of view and are used for scanning, while high power objectives provide greater detail but a narrower field of view.