Q

If a sound wave has a wavelength of 0.5 m and travels at 250 m/s, what is its frequency?

RRB Group D 09 Aug, 2026 (12:45 PM - 2:15 PM) 2026
✓ Answer: C 500 Hz
The correct choice is 500 Hz. Sound behaviour is determined by wave properties such as frequency, amplitude, wavelength and the medium of propagation.
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