The head loss in a pipe bend is given by hL = K × V22g, where K is the bend coefficient, V is the mean velocity, and g is acceleration due to gravity. If f is the Darcy-Weisbach friction factor and D is the diameter of the pipe, the equivalent length (Le) of the pipe 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?