Microscope Certification Pre-Test 2025

Front

When carrying the microscope, hold the _____ and ______.

Back

base and arm

Front

Which answer shows the correct equation for calculating the total magnification that has a 25X ocular lens, and a 10X objective lens?

Back

25X (x) 10X = 250x

Front

The ________________ allows you to sharpen the focus?

Back

fine adjustment knob

Front

The ___________ allows you to switch to low, medium, and high power objective.

Back

revolving nose piece

Front

What is the total magnification if the objective lens is 50x, and the ocular lens is 10x?

Back

500x

Front

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

Back

The ocular lens magnifies the image produced by the objective lens.

Front

What is the purpose of the diaphragm in a microscope?

Back

The diaphragm controls the amount of light that reaches the specimen.

Front

What is the role of the coarse adjustment knob?

Back

The coarse adjustment knob is used to make large adjustments to the focus of the microscope.

Front

What is the difference between the objective lens and the ocular lens?

Back

The objective lens is closer to the specimen and provides initial magnification, while the ocular lens is the lens you look through.

Front

What is the total magnification if the ocular lens is 10x and the objective lens is 40x?

Back

400x