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Equation of SHM is given by x = A sin(ωt + δ). (ωt + δ) is called phase. When x = A/2, then sin(ωt + δ) = 1/2. For second particle:

1. x = A sin(ωt + δ)
2. (ωt + δ) is called phase.
3. When x = A/2, then sin(ωt + δ) = 1/2.
4. For second particle:

Correct answer: When x = A/2, then sin(ωt + δ) = 1/2.

Solution

The question asks about the condition when x = A/2, which corresponds to sin(ωt + δ) = 1/2. This is a direct application of the SHM equation and trigonometric properties.

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