How Do You Complete a Ray Diagram for an Optical Microscope?

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SUMMARY

The discussion focuses on completing a ray diagram for an optical microscope, specifically addressing the objective lens and its relationship to lens equations. The lens equation, 1/u + 1/v = 1/f, is crucial for understanding the distances involved. It is established that to increase magnification, the objective lens should have a shorter focal length. The discussion also clarifies that the objective lens is the one closest to the object being magnified, while the eyepiece is the second converging lens.

PREREQUISITES
  • Understanding of the lens equation: 1/u + 1/v = 1/f
  • Knowledge of optical microscope components, specifically objective and eyepiece lenses
  • Familiarity with concepts of real and virtual images in optics
  • Basic skills in drawing ray diagrams for optical systems
NEXT STEPS
  • Research the principles of magnification in optical systems
  • Learn about the construction and function of different types of objective lenses
  • Explore advanced ray diagram techniques for complex optical systems
  • Study the effects of focal length on image formation in microscopes
USEFUL FOR

This discussion is beneficial for students studying optics, educators teaching physics concepts related to microscopes, and anyone involved in the design or use of optical instruments.

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Homework Statement


For an optical microscope, complete a ray diagram for an objective lens and relate the relate the relative distances to the lens equations. If you want to increase the magnification, should the objective lens have a shorted or longer focal length (illustrate this on the same figure in a different color)?


Homework Equations


lens equation:
1/u +1/v=1/f


The Attempt at a Solution


For an optical microscope, there are 2 converging objective lens. One will have a virtual image, and one will have a real image. In that case, which objective lens is the one that the question wants?
 
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The objective lens of a microscope is the one near the object being magnified. The other converging lens is the eyepiece.
 
thank you very much!
 

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