Microscopes

Front

What is the function of the fine focus knob on a microscope?

Back

The fine focus knob is used to make small adjustments to the focus of the microscope, allowing for clearer and more detailed viewing of the specimen.

Front

What part of the microscope is responsible for controlling the amount of light that reaches the slide?

Back

The diaphragm controls the amount of light that passes through the slide, helping to enhance the visibility of the specimen.

Front

What is the purpose of the coarse adjustment knob?

Back

The coarse adjustment knob moves the stage up or down in large amounts to quickly bring the specimen into focus.

Front

What should you do before removing a slide from the stage?

Back

You should turn the nosepiece to the Scanning 4x objective lens and lower the stage to avoid damaging the slide or the objective lens.

Front

What is the stage of a microscope?

Back

The stage is the flat platform where the slide is placed for viewing under the microscope.

Front

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

Back

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

Front

What is the purpose of the objective lens?

Back

The objective lens magnifies the specimen, allowing for a closer view of its details.

Front

What is the revolving nosepiece?

Back

The revolving nosepiece holds multiple objective lenses and allows the user to switch between them to change magnification.

Front

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

Back

The coarse focus knob is used for making large adjustments to the focus, while the fine focus knob is used for making small, precise adjustments.

Front

What is the diaphragm made of?

Back

The diaphragm is typically made of a series of overlapping plates or a circular opening that can be adjusted to control light.