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The equations of two waves are given by : y 1 = 5 sin 2 π (x – vt) cm y 2 = 3 sin 2 π (x – vt + 1.5) cm These waves are simultaneously passing through a string. The amplitude of the resulting wave is :

1. 2 cm
2. 4 cm
3. 5.8 cm
4. 8 cm

Correct answer: 2 cm

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