1. Transmission of sound waves requires material medium but no material medium is required for electromagnetic waves
2. Speed of a sound wave is lower than that of an electromagnetic wave
johnmulu answered the question on February 11, 2017 at 08:19
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Date posted: February 11, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)
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