alleryCan mechanical waves travel through a vacuum?
AYes, if very fast
BNo, they cannot
CYes, they always can
DYes, if very strong
Answer & Solution
Correct answer: B. No, they cannot
1. They need a medium to propagate.
2. A vacuum has no medium.
3. They cannot propagate through vacuum.
_Source: syllabus Physics, Ch 14 'Waves'_
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