निम्नलिखित में से भौतिक राशियों के किस जोड़े का विमीय सूत्र (dimensional formula) समान नहीं 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?