अपने अत्यंत शुद्ध रूप में एक अर्धचालक (semiconductor) तत्व को __________ अर्धचालक कहा जाता है, जबकि डोप किए गए अशुद्ध रूप में इसे बाह्य (extrinsic) अर्धचालक कहा किया जाता 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?