एक उत्तल लेंस अपने से 30 सेमी की दूरी पर रखी वस्तु का एक वास्तविक प्रतिबिंब बनाता है। यदि प्रतिबिंब लेंस के दूसरी ओर 60 सेमी की दूरी पर बनता है, तो रेखीय आवर्धन क्या 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?