Electromagnetic Waves: What They Travel Through and Their Speed in Different Mediums
Electromagnetic waves, including light, radio waves, x-rays, and gamma rays, travel through different mediums. In a vacuum, they move at the speed of light, about 299,792 kilometers per second. When they pass through water or other materials, their speed slows down, but their essential properties stay the same. When electromagnetic waves enter different mediums, their … Read more