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- - - - When the radio waves match the resonance frequency of hydrogen atoms, they absorb and later emit energy.
      - This emitted energy is captured to create detailed images of tissues and organs.
      - MRI uses strong magnetic fields and radio waves to excite hydrogen nuclei in the body.
  - - - A wine glass has a natural resonant frequency.
      - With enough energy transfer, the glass shatters due to excessive vibrations.
      - If a singer or speaker emits a sound at that exact frequency, the glass absorbs energy and vibrates.
- - - - Frequency depends on length and gravity.
      - Damped over time due to air resistance.
      - Moves back and forth without external force.