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Critical angle of glass is θ2 and that of water is θ2. The critical angle for water and glass surface would be (μg = 3/2, μw = 4/3).

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Critical angle of glass is θ<sub>2</sub> and that of water is θ<sub>2</sub>. The critical angle for water and glass surface would be (μ<sub>g</sub> = 3/2, μ<sub>w</sub> = 4/3).






 
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