AP EAMCET Engineering 2011 Solved Paper

Section: Physics

Question : 29 of 160

Marks: +1, -0

A ray of light refracts from medium 1 into a thin layer of medium 2 , crosses the layer and is incident at the critical angle on the interface between the medium 2 and 3 as shown in the figure. If the angle of incidence of ray is θ, the value of θ is

sin−1(
8
9
)
sin−1(
13
18
)
sin−1(
13
16
)
sin−1(
8
13
)

Validate

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