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Image Formed by Diverging Lens

  • Thread starter sapiental
  • Start date
  • #1
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Homework Statement



2. An object is placed two focal lengths from a
diverging lens.
What type of image forms?
What is the magnification?
Where is the image?

Homework Equations



1/f = (n-1)(1/r1-1/r2)

The Attempt at a Solution



a) Virtual Image

b) m = 1

c) the image is on the same side as the object with d_i = -2f
 

Answers and Replies

  • #2
Doc Al
Mentor
44,912
1,170

Homework Equations



1/f = (n-1)(1/r1-1/r2)
That's the "Lens Maker's formula"; what you need is the "Thin Lens formula". (Look it up!)
 

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