ऊपर से देखने पर एक स्विमिंग पूल अपनी वास्तविक गहराई से कम गहरा दिखाई देता है। यह प्रकाशिक भ्रम किसके कारण होता 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?