पृथ्वी की सतह पर गुरुत्वीय त्वरण का मान 9.8 m/s2 है। पृथ्वी की सतह से वह ऊंचाई क्या होगी जिस पर गुरुत्वीय त्वरण घटकर 4.9 m/s2 रह जाता है? (पृथ्वी की त्रिज्या = 6.4 × 106 m)

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?