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We know that a sound needs a medium to travel as it is wave. But light which is also wave doesn't need a medium. Why? Please can anyone explain? 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 We know that a sound needs a medium to travel as it is wave. But light which is also wave doesn't need a medium. Why? Please can anyone explain? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for We know that a sound needs a medium to travel as it is wave. But light which is also wave doesn't need a medium. Why? Please can anyone explain?.

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