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Understanding Compound and Stereo Microscopes

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Understanding Compound and Stereo Microscopes

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Questions and Answers

What is the purpose of a compound microscope?

To view samples at high magnification (correct)

To observe samples using incident light illumination

To view samples at low magnification

To view samples using only one lens

Which component of a compound microscope is important for regulating how light hits the sample?

Condenser lens

Objective lenses

Iris diaphragm (correct)

Ocular lens

What is the range of magnifications typically achieved by a compound microscope?

40 - 1000x (correct)

100 - 500x

5 - 50x

10 - 100x

What type of illumination is usually used in a stereo- or dissecting microscope?

Reflected light illumination Signup and view all the answers

How many optical paths and eyepieces does a stereo- or dissecting microscope use?

Two optical paths and two eyepieces Signup and view all the answers

What is the purpose of a condenser lens and iris diaphragm in a compound microscope?

Regulating how light hits the sample Signup and view all the answers

How does a compound microscope achieve high magnification?

By the combined effect of two sets of lenses: the ocular lens and the objective lenses Signup and view all the answers

What is the typical range of magnification for a stereo- or dissecting microscope?

2 - 100x Signup and view all the answers

How does a stereo- or dissecting microscope provide slightly different viewing angles to the left and right eyes?

By using two separate optical paths with two objectives and two eyepieces Signup and view all the answers

Why do larger objects need to be sliced to be viewed efficiently in a compound microscope?

To allow light to pass through the sample (transmitted light illumination) Signup and view all the answers