Recap-Parts and Functions of a Microscope

It is used to view tiny objects and living organisms. It is commonly used in laboratories.

Which two parts of the light microscope magnify the image of an object?

• eyepiece and mirror

• eyepiece and objectives

• objectives and mirror

• objectives and diaphragm

Which part makes possible the changing of objectives?

• body tube

• revolving nosepiece

Which part collects and reflects light up into the microscope.

• objectives

• diaphragm

• mirror

• eyepiece or ocular

Which of the two shows letter “e” seen under the microscope?

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• 

Alex examined a specimen under the microscope. The eyepiece is 5x while the LPO is 10x. How many times was the specimen magnified?

• 50x

• 10x

• 5x

• 100x

You were given a slide which contained a microorganism. You were asked to examine the microorganism under the HPO. Your eyepiece is 10x and the HPO is 45x. How many times was the microorganism magnified?

• 4500x

• 450x

A drawing of a cell indicates that it has been magnified 450x under the HPO. If the HPO is 45x, what is the magnifying power of the eyepiece?