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Statement A: Speeds greater than the speed of sound in air are called infrasonic speed.Statement B: the amount of sound energy, passing each second through unit area is called intensity of sound.Which of the above two statement is truea)Statement Ab)Both a and bc)neither a or b.d)Statement BCorrect answer is option 'D'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Statement A: Speeds greater than the speed of sound in air are called infrasonic speed.Statement B: the amount of sound energy, passing each second through unit area is called intensity of sound.Which of the above two statement is truea)Statement Ab)Both a and bc)neither a or b.d)Statement BCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Statement A: Speeds greater than the speed of sound in air are called infrasonic speed.Statement B: the amount of sound energy, passing each second through unit area is called intensity of sound.Which of the above two statement is truea)Statement Ab)Both a and bc)neither a or b.d)Statement BCorrect answer is option 'D'. Can you explain this answer?.

Solutions for Statement A: Speeds greater than the speed of sound in air are called infrasonic speed.Statement B: the amount of sound energy, passing each second through unit area is called intensity of sound.Which of the above two statement is truea)Statement Ab)Both a and bc)neither a or b.d)Statement BCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 9. Download more important topics, notes, lectures and mock test series for Class 9 Exam by signing up for free.

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