एक वस्तु को अवतल लेंस के मुख्य अक्ष पर कहीं भी रखा जाता है। प्रतिबिंब हमेशा ___________ बनता 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?