find

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.

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

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