Asked by  | 27th May, 2008, 06:35: PM

Expert Answer:

If both the converging lenses are of equal focal lengths then they should be placed at a distance of 2f apart from each other so that a parallel beam of light becomes parallel after passing through two lenses.


toppers expert

Answered by  | 30th May, 2008, 02:46: AM

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