railway RRB ALP (CBT 1 + CBT 2 + CBAT) Mock Test Series 2025 (New) General Science Physics Wave

The frequency of a sound wave is 200 Hz and its wavelength is 2 m. What is the speed of the sound wave?

1
400 m/s
2
200 m/s
3
80 m/s
4
100 m/s
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