Microscope

Front

What is a microscope?

Back

A microscope is an instrument used to see objects that are too small to be seen by the naked eye, allowing for magnification and detailed observation.

Front

What is the function of the ocular lens in a microscope?

Back

The ocular lens, or eyepiece, is the lens you look through to see the magnified image of the specimen.

Front

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

Back

The objective lens is the primary lens that gathers light and focuses it to create a magnified image of the specimen.

Front

What does total magnification mean?

Back

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

Front

How do you calculate total magnification if the eyepiece is 10X and the objective is 40X?

Back

Total magnification = Eyepiece magnification x Objective magnification = 10X x 40X = 400X.

Front

What is the fine adjustment knob used for?

Back

The fine adjustment knob is used to make small adjustments to the focus of the microscope, allowing for clearer images.

Front

What is the coarse adjustment knob used for?

Back

The coarse adjustment knob is used to make larger adjustments to the focus of the microscope, typically used for initial focusing.

Front

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

Back

You should turn the nosepiece to the 4x objective lens and lower the stage to safely remove the slide.

Front

Why is it important to carry a microscope with one hand on the arm and the other under the base?

Back

This method provides stability and support, preventing the microscope from tipping or falling.

Front

What is the light source in a microscope?

Back

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