GATE Mechanical Engineering (ME) 2016 Shift 1 Solved Paper

A fluid (Prandtl number, Pr = 1) at 500 K flows over a flat plate of 1.5 m length, maintained at 300 K. The velocity of the fluid is 10 m/s. Assuming kinematic viscosity, v = 30 × 10^-6 m²/s, the thermal boundary layer thickness (in mm) at 0.5 m from the leading edge is _________