निम्नलिखित में से किस तत्व के समस्थानिक (isotope) का उपयोग परमाणु रिएक्टरों में ईंधन के रूप में किया जाता 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?