A stationary wave is produced on a string of length 2 m with 4 nodes. What is the wavelength of the wave?
Q1. A stationary wave is produced on a string of length 2 m with 4 nodes. What is the wavelength of the wave?
Answer: 1.33 m
Explanation: 4 nodes mean 3 antinodes, so it's the 3rd harmonic. Wavelength = 2 * length / 3 = 4/3 m = 1.33 m. Option B is incorrect due to wrong harmonic consideration.