The mechanical extra widening required for a 10.5 m wide pavement (3-lane) on a horizontal curve of radius R meters is given by (where 'l' is the length of wheelbase in meters):

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?