यदि दोनों ध्वनि तरंगें विपरीत कला (opposite phase) में पहुँचती हैं, तो वहाँ पर तीव्रता न्यूनतम होती है। इस व्यतिकरण को क्या कहते हैं?

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?