वायुमंडल के बाहरी छोर पर सूर्य की किरणों के लंबवत पृथ्वी की सतह द्वारा सौर ऊर्जा प्राप्त करने की दर, जो लगभग 1.94 कैलोरी प्रति वर्ग सेमी प्रति मिनट के बराबर होती है, क्या कहलाती है?

Which Indian independence movement leader was primarily known for his philosophy and practice of non-violent civil disobedience?

Who gave the call for 'Do or Die' during the Quit India Movement in 1942?

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?