Physics · Wave and Sound
Under what condition does the phenomenon of acoustic resonance occur?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1When sound waves pass from a denser medium to a rarer medium
- 2When the frequency of an external periodic force matches the natural frequency of the system✓
- 3When sound travels faster during the night than during the day
- 4When sound waves are completely reflected by a rigid boundary
Correct answer
When the frequency of an external periodic force matches the natural frequency of the system
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