During one oscillation, phase of oscillation changes by _____?

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During one oscillation, phase of oscillation changes by _____? Answer: 2π rad

In oscillatory motion, the phase represents the angle in the cycle. One complete oscillation corresponds to a phase change of 2π radians, meaning the motion has returned to its starting point.

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This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.