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SOUND. LIGHT. vs. Let’s compare and contrast!. Mechanical. Electromagnetic. Constantly changing electric or magnetic fields. Vibration from a source. Longitudinal wave. Transverse wave. No. Yes. Mechanical ENERGY. Electromagnetic ENERGY. 342 meters per second. 300,000,000
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SOUND LIGHT vs. Let’s compare and contrast!
Mechanical Electromagnetic Constantly changing electric or magnetic fields Vibration from a source
Longitudinal wave Transverse wave
No Yes Mechanical ENERGY Electromagnetic ENERGY
342 meters per second 300,000,000 meters per second We hear it (we can also feel the vibrations) We see it (sometimes we can see other effects like sunburn, x-rays, etc)
Amplitude Intensity All directions All directions
Music Your voice noise X-rays Visible light Radio waves