जब एक छड़ चुंबक के चारों ओर लोहे का बुरादा छिड़का जाता है, तो वे एक विशिष्ट पैटर्न में संरेखित हो जाते हैं। यह पैटर्न क्या दर्शाता 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?