alleryWhich statement about oscillatory and periodic motion is correct?
AEach excludes the other
BAll oscillatory is periodic
CAll periodic is oscillatory
DNeither one is the other
Answer & Solution
Correct answer: B. All oscillatory is periodic
1. The two words are not interchangeable.
2. One category sits inside the other.
3. Every oscillatory motion is periodic, but every periodic motion need not be oscillatory.
4. So all oscillatory motion is periodic.
_Source: syllabus Physics Part II, Ch 13 'Oscillations'_
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