एक बांध की संरचना जो इस प्रकार अनुपातित होती है कि उसका स्वयं का वजन उस पर लगने वाले बाहरी बलों का विरोध करता है, क्या कहलाती है?

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?