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The period of a quartz crystal's vibration is expressed in:

AMicroseconds
BKiloseconds
CWhole minutes
DFull hours
Answer & Solution
Correct answer: A. Microseconds
1. Some periodic motions are far too fast for seconds. 2. A convenient smaller unit is used instead. 3. Quartz vibrations are quoted in microseconds. _Source: syllabus Physics Part II, Chapter 14, Oscillations._
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