Microscope Use

Front

What is the function of the diaphragm in a microscope?

Back

The diaphragm controls the amount of light that reaches the specimen, allowing for better visibility and contrast.

Front

What does the term 'total magnification' mean in microscopy?

Back

Total magnification is the product of the eyepiece magnification and the objective lens magnification.

Front

Calculate the total magnification if the eyepiece is 10X and the objective lens is 40X.

Back

Total magnification = 10X * 40X = 400X.

Front

What is the purpose of the course focus knob on a microscope?

Back

The course focus knob is used to make large adjustments to the focus of the microscope, helping to bring the specimen into view.

Front

Which part of the microscope is used to hold the slides in place?

Back

The stage is the part of the microscope that holds the slides.

Front

What is the difference between the fine focus knob and the coarse focus knob?

Back

The fine focus knob makes small adjustments to the focus, while the coarse focus knob makes larger adjustments.

Front

What is the lowest power objective lens typically found on a microscope?

Back

The lowest power objective lens is usually 4X (red).

Front

When should you use the coarse focus knob?

Back

You should use the coarse focus knob with the lowest power objective lens (4X) to locate the specimen.

Front

What happens to the field of view as you increase magnification?

Back

As magnification increases, the field of view decreases, meaning you see a smaller area of the specimen.

Front

What is the purpose of the light source in a microscope?

Back

The light source illuminates the specimen, making it easier to see details.