The wavelength in air of a sound wave of frequency 500 Hz is
A. 0.69 m.
B. 0.75 m.
C. 1.5 m.
D. 1.8 m.
Answer:A
The wavelength in air of a sound wave of frequency 500 Hz is
A. 0.69 m. B. 0.75 m. C. 1.5 m. D. 1.8 m.