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types of microscope
By Sophie Pratt
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Last updated over 3 years ago
7 questions
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Question 1
1.
Which microscope do these descriptions apply to
specimen must be dead
up to 1500x magnification
specimen can be living
Question 2
2.
why do some samples need to be stained before they can be viewed under a light microscope?
cells reflect all wavelength of light
cells refract all wavelengths of light
cells are mostly transparent
cells are too small
Question 3
3.
The ability to distinguish between 2 objects that are very close together is called the
magnification
intensity
Question 4
4.
which instrument is used to calibrate the eye graticule
cell magnifier
objective micrometer
magnifying graticule
stage micrometer
Question 5
5.
Mitochondria are about 10 micrometres long. Calculate the length of a mitochondria when view through a x40 microscope in mm
Question 6
6.
what is the maximum resolution for a light microscope?
0.002 micrometres
0.2nm
200nm
200 micrometres
Question 7
7.
A DNA helix is about 0.002 micrometres in diameter. Which types of microscopes could be it resolved by?
laser scanning confocal microscope (LSCM)
light microscope, LSCM and TEM
transmission electron microscope (TEM)
light microscope
smaller less expensive
up to 0.2nm resolution
uses beam of electrons
200nm resolution
up to 2 x 10 to the 6 magnification
Light microscope
Electron Microscope
resolution
calibration