कोबाल्ट-60 आमतौर पर कैंसर जैसे रोगों की विकिरण चिकित्सा में प्रयुक्त होता है, क्योंकि यह उत्सर्जित करता 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?