Q

A sound wave has a frequency of 500 Hz and travels at 340 m/s. What is its wavelength?

RRB Group D 20 Aug, 2026 (4:30 PM - 6:00 PM) 2026
✓ Answer: A Its wavelength is 0.68 meters
Using v = fλ, λ = 340/500 = 0.68 m.