A direct shear test was conducted on a cohesionless soil (c = 0) specimen under a normal stress of 100 kPa. If the specimen failed at a shear stress of 100 kPa, the angle of internal friction of the soil is:

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?