ऊर्ध्वाधर रेडियो तरंगें आयनमंडल से पूरी तरह से परावर्तित हो जाती हैं जब उनकी आवृत्ति ______ के बराबर या उससे कम 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?