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Given sound is ultrasonic if its frequency is a 21000 hz(b) 22 khz (C) 19 Hz(d) both a and b? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Given sound is ultrasonic if its frequency is a 21000 hz(b) 22 khz (C) 19 Hz(d) both a and b? covers all topics & solutions for Class 8 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Given sound is ultrasonic if its frequency is a 21000 hz(b) 22 khz (C) 19 Hz(d) both a and b?.

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