एक संपीड़न अवयव (compression member) की प्रभावी लंबाई का सैद्धांतिक मान क्या होता है जब यह 'दोनों सिरों पर प्रभावी रूप से स्थिति में आबद्ध हो लेकिन घूर्णन (rotation) के विरुद्ध प्रतिबंधित न हो'?

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?