Make a ray diagram for an object between the focal length and the center of curvature a thin concave-concave lens. Also include a calculation of the focal length should be, using an equation.  If your image is virtual, you should plug a negative number in for the corresponding variable of the lens equation. Measure the focal length, and see whether they are similar, provide explanation

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Make a ray diagram for an object between the focal length and the center of curvature a thin concave-concave lens.

Also include a calculation of the focal length should be, using an equation.  If your image is virtual, you should plug a negative number in for the corresponding variable of the lens equation.

Measure the focal length, and see whether they are similar, provide explanation

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Follow-up Question

Can you verify the equation because in the image it provides that the thin lens equation is 1/s+1/s'=1/f

The height ratio is h'/h = |m|.
m is + for an upright image, - for inverted.
Chapter 34: Ray Optics
Thin lenses
The image and object distances are related by
R
-14
1
S
where the focal length is given by the lens maker's equation:
1
+---
S
1
f
-
= (n − 1) (₁ - 1₂)
+ for surface convex toward object
+ for a converging lens
+ for a real image
Focal length f
S
D
- for concave
- for diverging
- for virtual
FI
Transcribed Image Text:The height ratio is h'/h = |m|. m is + for an upright image, - for inverted. Chapter 34: Ray Optics Thin lenses The image and object distances are related by R -14 1 S where the focal length is given by the lens maker's equation: 1 +--- S 1 f - = (n − 1) (₁ - 1₂) + for surface convex toward object + for a converging lens + for a real image Focal length f S D - for concave - for diverging - for virtual FI
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Follow-up Question

so your original focal length is 2cm but when you used the formula to verify this answer your answer comes out to be -2cm so is the original focal length supposed to be negative because how does 2cm=-2cm 

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Follow-up Question

which value did you compare it with to say that they both agree without any deviation also what does U and V mean on the diagram that you drew because you did not label U and V as well as which parts you measured. 

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Follow-up Question

why are you using that formula and not this one 

1/F=1/O+1/I

F= 1/(1/O+1/I) 

 

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