Physics
At resonance, a loud sound is heard because the body vibrating with a large …………… sends forth a large amount of energy in the medium.
- amplitude
- frequency
- wavelength
- time period
Sound
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Answer
amplitude
Reason — Resonance amplifies the vibrations of the system, resulting in larger oscillations or amplitudes. This increased amplitude corresponds to a greater displacement of particles in the medium, which leads to a louder sound being produced.
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- greater than
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(a) Name one factor on which the frequency of sound emitted due to vibration in an air column depends.
(b) How does the frequency depend on the factor stated in part (a)?