Lenses & Mirrors LAB: Station #4 Vocabulary Review
Transverse waves have crest & troughs and move perpendicular to the force. Water Waves, LIGHT....
Transverse and Longitudinal Waves that move through matter are MECHANICAL WAVES!!
Longitudinal waves have compressions and rarefactions and move parallel to the force. SOUND
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In a perfectly empty vacuum, a particle of light, which is called a photon, can travel 186,282 miles per second (299,792 kilometers per second), or about 670.6 million mph (1.079 billion kilometers per hour).
Earth is 24,901 miles around at its center.