Asked by SREEJA | 19th Jul, 2012, 11:44: PM

Expert Answer:

That is so because, only primary fringe and secondary fringe is visible. Rest of the fringes at visible wavelength are too dispersed to observe.

Answered by  | 19th Jul, 2012, 11:47: PM

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