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Question
A mechanical wave needs a material medium for propagation.
A mechanical wave needs a material medium for propagation.
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Solution
The correct option is A True
A mechanical wave needs a material medium for propagation. For example sound is a mechanical wave as it cannot travel through the vacuum. In contrast, electromagnetic waves which are non-mechanical waves do not require a material medium to propagate, i.e. they can propagate through the vacuum.
True
A mechanical wave needs a material medium for propagation. For example sound is a mechanical wave as it cannot travel through the vacuum. In contrast, electromagnetic waves which are non-mechanical waves do not require a material medium to propagate, i.e. they can propagate through the vacuum.
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