PH-800

Wave properties

Physics · Secondary 3 · Easy · Wave properties

1. $4.0\times10^{-4}\,\text{s}$
2. $2.5\times10^{-3}\,\text{s}$
3. $4.0\times10^{-3}\,\text{s}$
4. $2.5\times10^{-4}\,\text{s}$

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