microscopes Flashcards

(7 cards)

1
Q

how to convert between units

A

cm->mm x10
mm->micro m x1000
micro m->nm x1000
nm->pm x1000

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2
Q

whats the equation for magnification

A

image/actual=mag

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3
Q

whats the definition for magnification

A

how many times bigger the image is than the object

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4
Q

definition for resolution

A

minimum distance that 2 objects are apart to appear as seperate objects

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5
Q

what are the pros and cons of a light microscope

A

uses light
can view live specimens
uses glass lenses
can see colour
cant see organelles
low mag

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6
Q

pros and cons of electron microscope

A

uses magnets
no colour
complex slide prep
only view dead specimens
greater resolution
observe smaller organelles
needs thinner specimens

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7
Q

electron microscopes have

A

higher resolution
shorter wavelength
distinguish objects closer together
see internal structures of organelles

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