The boundary layer thickness at a distance of l m from the leading edg – McqOptions

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1.	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)
A.	.40 cm
B.	.20 cm
C.	.10 cm
D.	.05 cm
Answer» C. .10 cm

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