Answer :

Asked by Annette | 16th Mar, 2010, 01:20: PM

Expert Answer:

Dear Student

Say velocity of speed in Air , glass , in x  medium are    Va , Vg and Vx

Given that

Vx/Vg= 1.55

Va/Vx= x

==> x=Va/(Vg 1.55)

With out knowing Vg it is not possibe to find X

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Answered by  | 17th Mar, 2010, 07:21: PM

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