The velocity distribution in the boundary layer is given by \(\frac{u}{U} = \frac{y}{\delta },\) where u is the velocity at distance of y from the boundary and u – U at y = δ, δ being boundary layer thickness. Then the value of momentum thickness will be
1
\(\frac{\delta }{2}\)
2
\(\frac{\delta }{4}\)
3
\(\frac{\delta }{6}\)
4
\(\frac{\delta }{8}\)