Microscopy Flashcards

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1
Q

define magnification

A

Making things bigger

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2
Q

Define resolving power

A

Can tell or see individual structures that are very close together

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3
Q

Light microscope ?

A

How it works

Light shines through the specimen it is magnetised first by objective lens then by the eye piece lens before entering our eye

ADV
Cheap

Compact

Max magnification - 200 nm a part

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4
Q

Transmission Electron microscope ?

A

How it works

Beam of electrons is passed through the specimen and detected on a screen which uses a computer to make an image

ADV

high magnification

high resolution

DIV

expensive

black and white

kills specimen

have to be trained

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5
Q

Scanning electron microscope

A

How it works

Beam of electrons scan he sample picked by the detectors and gives us an image

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