Concave/Convex-lens and mirrors

  • #1
physics_06er
25
0
Hi there

Just wondering if someone is able to check my 'table' I made up...

Lens:
Convex lens are converging and focal length (f)=(+ve)
Concave lens are diverging and f=(-ve)

Mirrors:
Convex mirrors are diverging and f=(-ve)
Concave mirrors are converging and f=(+ve)

Is this right
Thanks
biology_06er
 

Answers and Replies

  • #2
big man
254
1
If that's all the information you are needing to give then yes your table is all good.
 
  • #3
tyco05
161
0
Some other useful information that you might want to tabulate along with this is the nature of the images formed when an object is at particular distances......

e.g. Nature of the image when:
1. Object is greater than 2*f away,
2. at a distance of 2*f,
3. between 2*f and f,
4. less than f away.

When I say nature of image, I mean is it:
1. magnified or diminished,
2. upright or inverted (upside down),
3. virtual or real?


There are some very simple experiments that you can do to get this data.
 

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