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Question

A fluid with kinematic viscosity ν flows in laminar stage along a flat plate with free-stream velocity V. at a distance x from the leading edge, the Reynolds number of the flow is given by R=Vxν. The thickness of the boundary layer at x will be proportional to

A
xR1/2
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B
xR1/2
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C
R1/2
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D
R1/2
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Solution

The correct option is B xR1/2
δ=5xRe(Blasius solution)

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