Mathematics · Sound Waves
A source of unknown frequency gives 4 beats/s when sounded with a source of known frequency 250 Hz. The second harmonic of this source of unknown frequency gives 5 beats/s when sounded with a source of frequency 513 Hz. What is the unknown frequency?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1260 Hz
- 2240 Hz
- 3246 Hz
- 4254 Hz✓
Correct answer
254 Hz
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