जब किसी तरल पदार्थ में तैरते हुए पिंड को थोड़ा सा कोणीय विस्थापन दिया जाता है, तो वह किस बिंदु के परितः दोलन करने लगता है?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?