A person and a dolphin observe one another through a glass barrier that has thic

Question

A person and a dolphin observe one another through a glass barrier that has thickness t. The dolphin is a distance d from the glass. An air bubble exists directly in the middle of the glass.

Part A - Which expression gives how far from the glass the dophin seems from the person's perspective?

nwater = 4/3, nglass = 3/2

nwater = 4/3, nglass = 3/2

   d=32d

d=34d  

d=23d

Which expression gives the apparent distance of the bubble from the near surface of the glass from the person's perspective?

    d=34t

d=23t  

Which expression gives the apparent distance of the bubble from the near surface of the glass from the dolphin's perspective?

   d=98t

d=49t  

   d=32d

d=34d  

Explanation / Answer

your answer will be

1.d'=3d/4

2.d'=2t/3

3.d'=8t/9

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