निम्नलिखित में से किस भौतिक परिघटना को आमतौर पर एक 'आवश्यक बुराई' (necessary evil) के रूप में वर्णित किया जाता है क्योंकि यह ऊर्जा हानि का कारण बनती है फिर भी चलने जैसे बुनियादी कार्यों के लिए आवश्यक है?

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?

Who led the Non-Cooperation Movement in India?