Magnification Flashcards
1
Q
What is magnification
A
How many times bigger something appears
2
Q
How to calc magnification
A
objective x eyepiece
3
Q
How to carry out microscope practical
A
Sample on Slide
Stain iodine on features
Add cover slip
Place slide on stage
Select objective lens
Focus
4
Q
How is light focused to give normal vision
A
The lens and the cornea focus the light onto the retina, which then sends the image to the brain, where it is flipped
5
Q
What lens fixes short slightness
A
concave lens
6
Q
What lens fixes long slightness
A
convex lens
7
Q
why some cell structures can be seen with an electron microscope but not with a light microscope
A
Electrons have much a shorter wavelength than visible light, and this allows electron microscopes to produce higher-resolution images than standard light microscopes.
