उस परिघटना को क्या कहते हैं, जहाँ इंजन सिलेंडर में ईंधन-वायु मिश्रण के समय से पहले दहन के कारण धात्विक ध्वनि उत्पन्न होती 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?