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1. |
In a laminar and turbulent boundary layer over the entire length of plate, the boundary layer thickeners at a distance x from leading edge varies respectively as |
A. | \({x^{\frac{1}{2}}},\;{x^{\frac{1}{5}}}\) |
B. | \({x^2},\;{x^{\frac{1}{7}}}\) |
C. | \({x^{\frac{4}{5}}},\;{x^{\frac{1}{2}}}\) |
D. | \({x^{\frac{1}{2}}},\;{x^{\frac{4}{5}}}\) |
Answer» E. | |