Understanding Compound and Stereo Microscopes

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Questions and Answers

What is the purpose of a compound microscope?

  • To view samples at high magnification (correct)
  • To observe samples using incident light illumination
  • To view samples at low magnification
  • To view samples using only one lens

Which component of a compound microscope is important for regulating how light hits the sample?

  • Condenser lens
  • Objective lenses
  • Iris diaphragm (correct)
  • Ocular lens

What is the range of magnifications typically achieved by a compound microscope?

  • 40 - 1000x (correct)
  • 100 - 500x
  • 5 - 50x
  • 10 - 100x

What type of illumination is usually used in a stereo- or dissecting microscope?

<p>Reflected light illumination (D)</p> Signup and view all the answers

How many optical paths and eyepieces does a stereo- or dissecting microscope use?

<p>Two optical paths and two eyepieces (A)</p> Signup and view all the answers

What is the purpose of a condenser lens and iris diaphragm in a compound microscope?

<p>Regulating how light hits the sample</p> Signup and view all the answers

How does a compound microscope achieve high magnification?

<p>By the combined effect of two sets of lenses: the ocular lens and the objective lenses</p> Signup and view all the answers

What is the typical range of magnification for a stereo- or dissecting microscope?

<p>2 - 100x</p> Signup and view all the answers

How does a stereo- or dissecting microscope provide slightly different viewing angles to the left and right eyes?

<p>By using two separate optical paths with two objectives and two eyepieces</p> Signup and view all the answers

Why do larger objects need to be sliced to be viewed efficiently in a compound microscope?

<p>To allow light to pass through the sample (transmitted light illumination)</p> Signup and view all the answers

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