This is for grade 11

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Question Answered step-by-step This is for grade 11 This is for grade 11 Image transcription text2. Noise cancellation headphones are used by pilots to protect their hearing and allow for bettercommunication, Explain briefly how these headphones work. (27) 3. You sound two tuning forks together. Onehas a frequency of 300Hz, the other a frequency of 302 Hz. What do you hear? Explain why. (27) … Show more… Show more Science Physics PHY 3 Share QuestionEmailCopy link Comments (0)

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