Air (kinematic viscosity \[=15\times {{10}^{-6}}{{\text{m}}^{\text{2}}}\text{/s}\]) with a free stream velocity of 10 m/s flows over a smooth two- dimensional flat plate. If the critical Reynolds number is \[5\times 10,\] what is the maximum distance from the leading edge up to which laminar boundary layer exists?

Air (kinematic viscosity \[=15\times {{10}^{-6}}{{\text{m}}^{\text{2}}

1.	Air (kinematic viscosity \[=15\times {{10}^{-6}}{{\text{m}}^{\text{2}}}\text{/s}\]) with a free stream velocity of 10 m/s flows over a smooth two- dimensional flat plate. If the critical Reynolds number is \[5\times 10,\] what is the maximum distance from the leading edge up to which laminar boundary layer exists?
A.	30 cm
B.	75 cm
C.	\[\omega L/R\]
D.	300 cm
Answer» C. \[\omega L/R\]

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