At sound speed 340 m/s, what wavelength corresponds to a frequency of 340 Hz?

A) 1 m

B) 0.5 m

C) 1.5 m

D) 2 m

Answer: A

Explanation: Use wavelength = wave speed ÷ frequency for the stated idealized conditions. Substitution gives 340 ÷ 340 = 1 m.