निम्नलिखित में से कौन सा उपकरण मुख्य रूप से विद्युत ऊर्जा को प्रकाश ऊर्जा में बदलता 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?