microscopes Flashcards
1
Q
what is resolution
A
the ability to distinguish between two distinct points on an image
2
Q
what is magnification
A
the number of times larger an object is in an image than without magnification
3
Q
compare an electron and a light microscope
A
light microscope: -way smaller -easier to use -take less time -can magnify things alive or deceased electron microscope: -higher magnification ability -presents the image with a higher resolution
4
Q
how do you calculate total magnification
A
eyepiece lens magnification x objective lens magnification = total magnification
5
Q
how do you find out the actual size of an object
A
image size ÷ magnification = actual size
6
Q
how many micrometres in a millimetre
A
1000
7
Q
how many nanometres in a micrometre
A
1000
