Physics
A body is vibrating under the influence of an external periodic force of frequency exactly equal to the natural frequency of the vibrations of the body. It executes :
- damped vibrations
- forced vibrations
- resonant vibrations
- natural vibrations
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Answer
resonant vibrations
Reason — When an external periodic force is applied to a body at a frequency exactly equal to the natural frequency of the body's vibrations, it executes resonant vibrations.
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