For a linear velocity profile distribution in the laminar boundary layer on a flat plate given by uU∞ = yδ, the ratio of displacement thickness (δ) to the boundary layer thickness (δ) is:

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?

Who led the Non-Cooperation Movement in India?