Calculating image locations with thin lenses

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Homework Help Overview

The discussion revolves around calculating the image locations for various thin lenses given an object distance. The problem involves understanding lens equations and the properties of thin lenses, particularly focusing on the refractive index and radii of curvature.

Discussion Character

  • Exploratory, Mathematical reasoning, Problem interpretation

Approaches and Questions Raised

  • Participants discuss the use of the lens formula to find the focal length and subsequently the image position. There are attempts to apply the relevant equations, but some participants express confusion regarding the correctness of their calculations.

Discussion Status

Some participants have provided guidance on using the lens formula, while others are questioning the accuracy of their calculations and seeking clarification on specific steps. The discussion reflects a mix of attempts and uncertainties regarding the application of the formulas.

Contextual Notes

There is mention of an image being deemed incorrect, indicating potential misunderstandings or miscalculations in applying the lens equations. The original poster has not provided calculations, which may hinder the ability to identify errors.

binhnguyent9
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Homework Statement


For each thin lens shown in the figure , calculate the location of the image of an object that is 18.5 {\rm cm} to the left of the lens. The lens material has a refractive index of 1.50, and the radii of curvature shown are only the magnitudes.

http://session.masteringphysics.com/problemAsset/1028455/6/1028455.jpg%20
s' (a)=?
s' (b)=?
s' (c)=?
s' (d)=?


Homework Equations


no1/f= (n-1) (1/R1-1/R2)


The Attempt at a Solution


none
 
Last edited by a moderator:
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Using the relevant equation find the focal length of each lens.
Then using the formula
1/f = 1/do + 1/di find the position of the iamge.
 
i did use it, but for no reason when i put back to the answer, they said it is incorrect
 
Show your calcualtions. With out that I can't see where your making mistakes.
 

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