(Solved): Three flat layers of transparent material are stacked upon one another. The top layer has inder of r ...

Three flat layers of transparent material are stacked upon one another. The top layer has inder of refractioe

, the middle

and the botiom one

. If

, and a ray of light in air strikes the top layer, at which surface given can total internal reflection occur first?

Total internal reflection cannot occur at any of these surfaces. the surface berween mancrials with indices

and

the top surface the surface between materials with indices

and