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Updated on : 2022-09-05

Solution

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Correct option is B)

$μ_{water}$ $=1.33$

$μ_{r}=1.331.5 $

$θ_{cric}=sin_{−1}(μ_{r}1 )=sin_{−1}(1.51.33 )=62.5_{∘}$

Maximum possible angle A is given by: $A=2θ_{cric}=125_{∘}$

$μ_{r}=1.331.5 $

$θ_{cric}=sin_{−1}(μ_{r}1 )=sin_{−1}(1.51.33 )=62.5_{∘}$

Maximum possible angle A is given by: $A=2θ_{cric}=125_{∘}$

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