Concept explainers
Why is sound louder when a vibrating source is held to a sounding board?
To explain: The reason that sound is louder when a vibrating source is held to a sounding board.
Answer to Problem 13A
The sounding board provide more area and forced vibration moves will produce louder sound.
Explanation of Solution
Introduction:
The sound is a type of vibration energy. When the particles of a material vibrates then the sound is produced.
The sound speed is affected by the elasticity of material. Different material has different pitch of sound which is depends on shape of material.
When the vibration is produced then by the sound boards the vibrations is forced to moved and produce louder sound. The sound become louder due to sounding board provide more area and forced vibration moves.
Conclusion:
Thus sounding board provide more area and forced vibration moves will produce louder sound.
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