Microscopes Flashcards by Jerick Galindez | Brainscape

Q

How do you store a compound light microscope?

A

stage all the way down
scanning objective pointed down
oculars over the arm
turned off
rheostat set “less than or equal to 3”
Cord bundled
no slide

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Q

Scanning objective lens magnification?

With and without ocular lens

A

4x or 40x w/ ocular

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Q

What are the 4 objective lenses attached to?

A

Rotating nosepiece

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Q

3 dimensional microscopes

A

Dissecting and SEM / Scanning Electron microscope

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Q

Where do you carry the microscope from?

A

arm and base

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Q

How many objectives in compound light microscope?

A

4 objectives (lenses)

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Q

Specimen must be thin of thinly sliced
Dead
Electrons passes through specimen
2 Dimensional
Long prep time

A

Transmission Electron microscope

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Q

Dissecting microscope range?

A

6.7x-45x

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Q

Which has more power, transmission election microscope or scanning electron microscope?

A

Transmission Electron microscope

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Q

Compound light microscope range?

A

40x-1000x

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Q

Which is the fine focus knob?

A

Smaller inner

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Q

Low power objective lens magnification?

With and without ocular lens

A

10x or 100x w/ ocular

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Q

Oil immersion objective lens magnification?

With and without ocular lens

A

100x or 1000x w/ ocular

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Q

High power objective lens magnification?

With and without ocular lens

A

40x or 400x w/ ocular

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Q

Whole pieces okay
Electrons bounds off of specimen
3 Dimensional

A

Scanning Electron microscope

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Q

Which is the coarse focus knob?

A

Bigger outer

Q

What is the rheostat for?

A

Light brightness

Q

2 dimensional microscopes

A

Compound light and TEM / Transmission Electron microscope

Q

Whole specimens are okay:

Light passes through or bounces off of specimen

3 Dimensional

A

Dissecting microscope

Q

Specimen must be thin of thinly sliced
Dead
Light passes through
2 Dimensional

A

Compound light microscope