sir i wanted to ask: can we change the focal length of a spherical mirror by changing the object dist from it? Why?

Asked by  | 24th Feb, 2012, 10:04: PM

Expert Answer:

The focal length can be changed if lens become thin or thik, or if the medium in which lens is placed changed.

Answered by  | 24th Feb, 2012, 10:17: PM

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