Asked by shekhar14351 | 21st Feb, 2010, 08:32: PM

Expert Answer:

Dear student

Whenlight passes throuhg a material is optical path= original path length / refrctive index=

So the difference in hte path length= X+t-( X+t/n )=t-  t/n =t(n-1)/n

So the object appears t(n-1)/n nearer.



Answered by  | 22nd Feb, 2010, 07:07: PM

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