वह उपकरण जो इस सिद्धांत पर कार्य करता है कि गैस प्रवाह की दिशा में अचानक परिवर्तन धूल के कणों को अलग कर देता है, कहलाता 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?