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AP and TS EAMCET Engineering Model Paper 9

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Question : 103

Total: 160

When a light incident on a medium at an angle of incidence 'i' and refracted into a second medium at angle of refraction ‘r' The graph of Sin’i’ and Sin ’r’ is shown in the figure, then the critial angle for the two media is

sin−1(√3)
sin−1(
1
√3
)
cos−1(
1
√3
)
tan−1(
1
2
)

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