Microscopes and Magnification

Which letter represents the eyepiece lens?

• A

• E

• H

Which letter represents the inbuilt light?

• B

• C

• H

Which letter represents the coarse focus?

• C

• D

• G

Which letter represents the iris diaphragm?

• E

• F

• G

Eyepiece multiplied by ____________ calculates total magnification.

• lens

• objective

• diaphragm

• stage

The EXTENT (how much) to which a microscope magnifies things

• magnification placebo

• the power of life

• powerball

• magnification power

The microscopes at school can see things which are measured in nanometres. What do you call microscopes which can measure things as small as nanometres?

• electric microscope

• binocular microscope

• electron microscope

A light microscope as a 10X eyepiece lens lined up with a 4X objective lens.

What is the total magnification?

• 14X

• 40X

• 400X

You can find total magnification by which of the following methods? (Ocular = eyepiece)

• ocular PLUS objective

• ocular TIMES objective

• ocular MINUS objective

• ocular DIVIDED BY objective

Find the total magnification: 
Eyepiece = 10X 
Objective lens = 55X  

• 10x

• 55x

• 65x

• 550x