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Which one of the following statements is not correct?a)Sound waves in gases are longitudinal in nature.b)Sound waves having a frequency below 20 Hz are known as ultrasonic wavesc)Sound waves having higher amplitudes are louder.d)Sound waves with high audible frequencies are sharp.Correct answer is option 'B'. Can you explain this answer? for Defence 2024 is part of Defence preparation. The Question and answers have been prepared according to the Defence exam syllabus. Information about Which one of the following statements is not correct?a)Sound waves in gases are longitudinal in nature.b)Sound waves having a frequency below 20 Hz are known as ultrasonic wavesc)Sound waves having higher amplitudes are louder.d)Sound waves with high audible frequencies are sharp.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Defence 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following statements is not correct?a)Sound waves in gases are longitudinal in nature.b)Sound waves having a frequency below 20 Hz are known as ultrasonic wavesc)Sound waves having higher amplitudes are louder.d)Sound waves with high audible frequencies are sharp.Correct answer is option 'B'. Can you explain this answer?.

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