15. How many antinodes are produced at the fundamental frequency? Three antinode. Using v = f ), and your velocity and wavelength answers above, solve for the fundamental frequency. 16. Fill in the following table: Harmonic Frequency Number of Antinodes (n) Wavelength (Hz) (cm) First f1 1.60 Hz. 1 n. 0.422 cm. Second f2 2.10 Hz. 1 n. 0.525 cm. Third f3 2.70 Hz. 2 n. 0.675 cm. Fourth f4 Click here to enter text. Click here to enter text. Click here to enter text. Fifth f5 Click here to enter text. Click here to enter text. Click here to enter text. Seventh f7 Click here to enter text. Click here to enter text. Click here to enter text. 17. How does tension affect the speed of a wave in a rope? Increasing the tension will increase the speed of the wave, increasing the tension in the rope results in a higher wave speed. Experiment 2 - Generating Standing Waves of Different Harmonics