Lesson · P.4.1

Waves and sound

How a wave carries energy through a medium without carrying the medium itself, why sound needs one to travel and light does not, and how to use the wave speed equation to find a missing frequency, wavelength, or speed on the HESI A2 physics subtest.

ObjectiveP.4.1Read4 minExam weightWaves, Sound and Light ≈ 20% of Physics

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