When a glass slab is placed on a dot on a paper.It apperas displaced by`4`cm viewed normally.What is the thickness of slab if the refractive index`1.5`.

When a glass slab is placed on a dot on a paper.It apperas displaced b

1.	When a glass slab is placed on a dot on a paper.It apperas displaced by`4`cm viewed normally.What is the thickness of slab if the refractive index`1.5`.
Answer» We know that Displacement =`t(1-(1)/(mu))` So`4=t(1-(1)/(mu))` `t=(muxx4)/(mu-1)=(1.5xx4)/(1.5-1)=12cm`

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When a glass slab is placed on a dot on a paper.It apperas displaced by`4`cm viewed normally.What is the thickness of slab if the refractive index`1.5`.

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