two lenses have power of +2d,-4d.what is the nature and focallength of each lens?

Asked by  | 7th Jul, 2008, 01:06: AM

Expert Answer:

A similar question is already been answered, please refer the already answered questions.

Answered by  | 7th Jul, 2008, 01:59: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.