Calculation about virtual image

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SUMMARY

The discussion focuses on the calculation of virtual images in optics, specifically addressing the characteristics of virtual images formed by lenses. It emphasizes that virtual images appear on the same side of the lens as the object and that the image distance must be considered negative when dealing with virtual images. Participants highlight the importance of visual aids, such as diagrams, to enhance understanding of these concepts.

PREREQUISITES
  • Understanding of lens types and their properties
  • Familiarity with the lens formula and sign conventions
  • Basic knowledge of optics and image formation
  • Ability to interpret and create diagrams related to optical systems
NEXT STEPS
  • Study the lens formula and its application in calculating image distances
  • Learn about different types of lenses and their effects on light
  • Explore optical ray diagrams for both real and virtual images
  • Investigate the implications of sign conventions in optics calculations
USEFUL FOR

Students studying optics, physics educators, and anyone interested in understanding the principles of image formation in lenses.

barryj
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Homework Statement


See my attached information

Homework Equations


On my attached solution

The Attempt at a Solution


see my attached sheet

Please see my attached write up.
I would appreciate a quick nudge as stated.
 

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barryj said:

Homework Statement


See my attached information

Homework Equations


On my attached solution

The Attempt at a Solution


see my attached sheet

Please see my attached write up.
I would appreciate a quick nudge as stated.
Make a picture. Note that the virtual image is on the same side of the lens as the object. And the image distance has to be taken negative, if it is virtual image.
 
Last edited:
Thank you. Yes, a picture really is the key here.
 

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