Electron microscopes

Descripción

A-Levels (Cells & movement in/out of them) Biology Test sobre Electron microscopes, creado por hannah.lindridge el 14/05/2013.
hannah.lindridge
Test por hannah.lindridge, actualizado hace más de 1 año
hannah.lindridge
Creado por hannah.lindridge hace casi 13 años
58
1

Resumen del Recurso

Pregunta 1

Pregunta
Light microscopes have a...
Respuesta
  • Poor resolution
  • High resolution

Pregunta 2

Pregunta
Electron microscopes have a...
Respuesta
  • Long wavelength
  • Short wavelength

Pregunta 3

Pregunta
Electron microscopes also have a...
Respuesta
  • Low resolving power
  • High resolving power

Pregunta 4

Pregunta
Electrons are..
Respuesta
  • Negatively charged
  • Possitively charged

Pregunta 5

Pregunta
How many types of electron microscope are there?
Respuesta
  • 2
  • 3

Pregunta 6

Pregunta
Why can't living specimens be examined in a TEM?
Respuesta
  • Because it's too hot under the microscope
  • It has to be in a vacuum

Pregunta 7

Pregunta
The image of a TEM can be...
Respuesta
  • Only in black and white
  • In colour

Pregunta 8

Pregunta
The specimen to use a TEM needs to be..
Respuesta
  • Thick
  • Thin

Pregunta 9

Pregunta
The scanning electron microscope...
Respuesta
  • Also needs to be extremely thin
  • Doesn't need to be thin
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