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In the laminar boundary layer flow over a flat plate, the ratio $$\frac{\delta }{{\text{x}}}$$ varies as: (where, $$\delta $$ is the boundary layer thickness and x is the distance from the leading edge in the direction of flow).

In the laminar boundary layer flow over a flat plate, the ratio $$\frac{\delta }{{\text{x}}}$$ varies as: (where, $$\delta $$ is the boundary layer thickness and x is the distance from the leading edge in the direction of flow). Correct Answer $${\text{R}}{{\text{e}}^{ - \frac{1}{2}}}$$

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The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar)
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Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.)
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